system? E) A and C. According to the nebular theory, how did the asteroid belt form? C) pea-size particle from an asteroid B) about 80 years ago E) It is allergic to sunlight. D) he calculated its orbit and predicted the year in which it would next be seen. D) Comets are balls of ice and dust. C) carbon-rich and processed. They use lasers to continuously orient the spacecraft, On the video regarding the Mars rovers, why was Spirit called the "bad sister?" 
What is Eris? The density of the planet Saturn is so low that it would float in water. 2021-07-20. False, The temperature on the surface of Venus is hot enough to melt lead. D. The solar nebula collapsed due to gravity. B) a million. B) the asteroid belt the Venera probes which roamed the surface of the planet. D) once every century D) chunks of rock chipped off the planet Mercury. A) discovery of the Kuiper Belt Most meteorites collected on Earth are of the rocky primitive variety, although most asteroids are of the carbon-rich variety. 28) When do comets generally begin to form a tail? 29) What part of a comet points most directly away from the Sun? Mars C) meteor D) There was too much rocky material to form a terrestrial planet, but not enough gaseous material to form a jovian planet. E) It could! C) the atmosphere of Jupiter 
B) Pluto orbits the Sun exactly 2 times for every 3 Neptune orbits, which ensures they never come close together. The mass is then determined from Newton's version of Kepler's third law. This part is called ________. Which statement is not thought to be true of all comets in our solar system? Weegy: Isaac Newton is the scientist who develops the theory of gravitation and used it to explain the orbits of celestial bodies. A) the extinction of large animals, such as dinosaurs According to the nebular theory, how did the Oort cloud form? d) Its mass is a little less than Earth's mass. Comets are too small, and these gases escape from their surfaces completely. a) Asteroids and comets are much smaller than planets. Processed meteorites with low metal content probably are The solar wind blows the plasma ions directly away from the Sun. A) about 4 million C) about 200 years ago 
A comet's tail always trails behind it throughout its journey through the solar system. B) direct observation of comets orbiting the sun in the Oort cloud B) the largest known Kuiper Belt object gases to form the solar nebula. C) There would be a large empty region in our solar system between the orbit of Mars and the Kuiper belt. B. Comets have very elliptical orbits that usually take them far beyond the orbit of Pluto, but also take them closer to the Sun than Earth. A typical shooting star in a meteor shower is caused by a ________ entering Earth's atmosphere. D) the crusts and mantles of asteroids. We know that there are large gaps in the average distances of asteroids from the Sun (within the asteroid belt) because we C) pea-size particle from an asteroid Definition. Why won't Pluto collide with Neptune? WebWhich of the following statements about comets are true? D) discovery of Pluto's 3 moons, Chapter 8 - Formation of the solar system, Andrew Fraknoi, David Morrison, Sidney C Wolff, Jeffrey O. Bennett, Mark Voit, Megan O. Donahue, Nicholas O. Schneider. 
C) an extrasolar planet ejected by another solar system and captured by ours A) a fragment of an asteroid from the solar system that has fallen to Earth's surface C) All asteroids lie in the asteroid belt between Mars and Jupiter. Many Kuiper-belt objects also have the same period and semimajor axis as Pluto. The iron-rich asteroids, especially, should contain a high proportion of heavy elements that sank to Earth's core and are therefore very rare on Earth's surface (and consequently expensive). A) Radiometric dating will show the age of your meteorite to date to the formation of our solar system. Primitive meteorites can be distinguished from other meteorites and terrestrial rocks because they When you see the bright flash of a meteor, what are you actually seeing? D) It has the same average density. E) the dust tail. c. Pelvic cavity A) about once every million years C. How can we determine an asteroid's reflectivity? Most comets have a circular orbit that keeps them in the space between Mars and Jupiter. C) three C) the plasma tail. D) greater than the mass of Earth but less than the mass of Jupiter. A) The strength of gravity on small asteroids is less than the strength of the rock. D) If we could put all the asteroids together, they would make an object about the size of Earth. D) All asteroids lie in the asteroid belt between Mars and Jupiter. E) They always have a tail (until they run out of material). Weegy: Isaac Newton is the scientist who develops the theory of gravitation and used it to explain the orbits of celestial bodies. A) a mission to study the composition of an asteroid by hitting it with a massive object and observing the material thrown into space A) solar system debris B) It consists of objects that fragmented from the protosun during a catastrophic collision early D) resemble the composition of Earth's mantle. E) Comet sizes are unknown because their tails obscure the nucleus. E) dust settled on the leaves of plants, making them inedible, so the animals died of starvation. C) the largest known comet C) a fragment of an asteroid from the solar system that has fallen to Earth's surface What is the output of the following C++ code? A) Pluto is always much farther from the Sun than Neptune. A) a streak of light caused by a star moving across the sky D) are Trojan comets. D) Large asteroids became spherical because many small collisions chipped off pieces until only a sphere was left, 18) What is a meteorite? C) It has a highly eccentric orbit. A) contain a noticeable fraction of pure metallic flakes. B) discovery of seasonal atmosphere, similar to comets Assume you pulled your hand and the end of the st ring upward in the preceding example. 10) Where are the Trojan asteroids located? Column A C) as points of light, like the stars Choose all that apply. A. Comets are mostly made up of dust particles, frozen water and frozen gases. D) Earth is crossing the orbit of a comet. Asteroids and comets are both made of rocky and icy material, but asteroids are larger in size than comets. Most comets have a circular orbit that keeps them in the space between Mars and Jupiter. 23) Most meteorites are how might prairie dog biomass affect the carrying capacity of ferrets on a given reintroduction site? A, B, E, F We expect a scientific theory to be able to make predictions that can be tested. Small intestine _______. d) Its mass is a little less than Earth's mass. Comets with extremely elliptical orbits, like comets Hyakutake and Hale-Bopp, C) There was too much rocky material to form a terrestrial planet, but not enough gaseous material to form a jovian planet. 
B) tidal forces from Jupiter. B) 10 km What part of a comet always points most directly away from the Sun? C) being a fragment from Comet Halley. B) Some are more like loosely bound piles of rubble than solid chunks of rock. near the radius at which they orbit today. A) one of the Galilean moons of Jupiter B) It wiped out the dinosaurs. D) It is material left over from the interstellar cloud that never contracted with the rest of the E) All asteroids lie in the asteroid belt between Mars and Jupiter. planet. 
2) What do asteroids and comets have in common? 
True What is the name of the largest known Kuiper Belt Object? How would the appearance of a comet in our inner solar system be different? They are usually very hard to see, but as they approach the Sun the rock heats up and becomes much easier to see. E) have plotted distributions of the orbital radii of the asteroids. A) outside Neptune's orbit (6) The asteroid belt would not have gaps. E) It confirmed our theory of solar system formation. When we see a meteor shower, it means that ________. B) Comets are balls of ice and dust. E) spectroscopic imaging. D) Large asteroids became spherical because many small collisions chipped off pieces until only a sphere was left; this did not occur with small asteroids. Which is closest to the average distance between asteroids in the asteroid belt? D) always almost due north. Most are unchanged since their formation in the solar nebula. The birthplace of comets is a cloud of icy, dusty aggregates beyond the solar system. (4) Earth would not have received as many volatiles from the outer solar system. B) by comparing its infrared thermal emission to its visible-light reflection Most are unchanged since their formation in the solar nebula. B) Jupiter's gravitational tugs keep them there. D) All comets are leftover planetesimals that originally condensed beyond the frost line in the solar nebula. If we know the size of an asteroid, we can determine its density by A) no dinosaur fossils being present in rocks younger than 65 million years old What is Charon? E) It landed safely on the surface of the comet and returned material to Earth. C) he was the most famous astronomer alive in England during its appearance in 1758. A. A) straight behind the comet in its orbit in the formation of the solar system. C) know they are there theoretically, although we haven't detected them. E) Pluto is smaller than many known comets, such as Halley's comet. D) the plasma tail Od. Observations of asteroids, comets, and meteorites help refine the theory of the formation of the solar system. A typical meteor is created by a particle about the size of a A) once every century WebAnswers: Comets are thought to be dirty snowballs. The birthplace of comets is a cloud of icy, dusty aggregates beyond the solar system. E) It could! 4) An icy leftover planetesimal orbiting the Sun is a comet. Classify\text{\red{Classify}}Classify Which two domains of life contain Briefly describe the evidence suggesting that a 10-km asteroid or comet hit Earth at the time of the dinosaur extinction. Which of the following statements about comets best describes the light we can observe? B) between Mercury and Earth's orbit Comets are usually made up of ice, dust, and gas, meaning that options A and D are wrong. Pluto's gravity affects the orbit of Uranus, and this fact was used to discover Pluto. D) the impact caused massive earthquakes and volcanic activity worldwide. C) Only asteroids collide with Earth. C) tidal forces from the Sun. A) see the gaps through telescopes. According to current science, which of the following statements must be true? E) all of the above, Where did comets that are now in the Kuiper belt originally form? A) It is made of planetesimals between the orbits of Mars and Jupiter that never formed into a F. Planets fall into two major categories. A) We would find more Martian meteorites on Earth. D) discovery of Pluto's 3 moons. D) All asteroids lie in the asteroid belt between Mars and Jupiter. A) It probably formed as a result of a giant impact. C) All asteroids lie in the asteroid belt between Mars and Jupiter. D) resemble the composition of Earth's mantle. B) Pluto is regarded by many to be a planet. E) There are about 1 million known asteroids in the solar system. E) a moon of Neptune. D) near the radius at which they orbit today Comets are mostly made up of rock. Which of the following is furthest from the Sun? When was Pluto discovered? B) Comets are balls of ice and dust. D) A and B Weegy: The following statements about the tail of a comet is correct: The tail always points away from the sun. radar mapping from the Magellan probe. 34) The number of comets in the Oort cloud is probably about WebAnswers: Comets are thought to be dirty snowballs. A comet emits infrared light and reflects visible light. B) Comets are balls of ice and dust. A) Kuiper belt comets Which of the following statements best describes the size of the largest asteroid, Ceres? A) between the orbits of Mars and Jupiter. Which of the following statements about comets is true? Rather than being a planet, Pluto is really just a large member of. Spirit stopped calling home A comets tail points away from the sun Comet tails are caused by evaporating water ice and other ices Comets only have tails when they are in the inner solar system Match each method of heat transfer to its description E) Its orbit is not very close to being circular. Which of the following is evidence for the connection between comets and meteor showers? WebComets are balls of ice and dust. Weegy: he inner core of the Jovian planets are made of Hydrogen compounds, solid rock, and metals. B) 1,000. C) the Moon. orbits by encounters with the jovian planets. A) Earth would have suffered far fewer impacts. E) resemble the composition of rocks from lava flows that occurred on asteroids very shortly after the formation of the solar system. WebComets are balls of ice and dust What do asteroids and comets have in common? Why aren't small asteroids spherical in shape? What evidence led astronomers to conclude that the Oort cloud is a spherical distribution of comets? C) 100 km B) about the size of the Earth. C) Most of the trillions of comets in our solar system have tails. According to current evidence, Pluto is best explained as The asteroids forming a belt between the orbits of Mars and Jupiter were prevented from forming a planet by the strong gravitational field of Jupiter. When consumers guess at the calorie values in restaurant food portions, they generally overestimate. B) come from the asteroid belt. E) All asteroids lie in the asteroid belt between Mars and Jupiter. Gaps in the asteroid belt (often called Kirkwood gaps) are caused by C) Pluto's largest moon 33) Comets with extremely elliptical orbits, like comets Hyakutake and Hale-Bopp, A) come from the asteroid belt. Most comets have a circular orbit that keeps them in the space between Mars and Jupiter. B) Comets are balls of ice and dust. Weba) Asteroids and comets are much smaller than planets. is streaked and shows emission lines of ionized atoms. 13) Why do we sometimes observe asteroids at the distances of the gaps in the asteroid belt? Barium metal has a body-centered cubic lattice with all atoms at lattice points; its density is 3.51g2cm33.51 \mathrm{~g}^2 \mathrm{~cm}^33.51g2cm3. B) Most of the trillions of comets in our solar system have tails. E) are captured by Jupiter. C) It was the first direct proof that impacts really occur. A) leftover chunks of rock from the earliest period in the formation of the solar system. E) all of the above. D) All asteroids lie in the asteroid belt between Mars and Jupiter. C) Pluto's orbit never comes anywhere close to Neptune's orbit. What is Charon? D) Eris In what ways is Pluto like other Kuiper-belt objects? Asteroid masses can be determined only in those cases where they have a moon or a spacecraft pass close by and feel its gravitational influence. D) 1000 km Weegy: The following statements about the tail of a comet is correct: The tail always points away from the sun. WebA) There are about 1 million known asteroids in the solar system. D) Comets are balls of ice and dust. B) the Moon. B) looking for brightness variations as it rotates. What do we mean by a primitive meteorite? Venus. A) about 25 years ago C) an extinction caused by the impact of an asteroid or comet B) Most of the trillions of comets in our solar system have tails. A) with enough mass to gather hydrogen and helium and become a gas giant. Why did astronomers identify Pluto as a planet from its discovery? C) a meteorite. A comet that has an orbit around the Sun inclined to the ecliptic plane by 65 probably originated in the Kuiper belt. e. Vertebral canal (spinal cavity) WebComets are balls of ice and dust. It formed outside of the frost line in the solar nebula. According to the nebular theory, how did the Kuiper belt form? E) in ancient history. D) comets. Therefore, the correct answer is B. False, In the video regarding the Mars rovers, what is the speaker's favorite video taken on Mars? C) the largest of Pluto's three known moons B) A planet once formed here, but it was broken apart by a catastrophic collision. B) the Moon. C. B) It has the same basic composition. C) radiation from iridium in the asteroid caused the dinosaurs to die of cancer. D) a comet in the Kuiper belt (2) Comet orbits would not be nudged, so comets would not collide as frequently with Earth. WebA) Only asteroids collide with Earth. A) a large member of the Kuiper belt. Which of the following is not a piece of evidence supporting the idea that Pluto is a large comet of the Kuiper belt? A) Meteorites have different isotope ratios of particular elements when compared to terrestrial rocks. A) of injuries suffered from direct hits of pieces of the asteroid or comet. A) It dredged up material that gave us our first direct look at Jupiter's interior composition. D) about 2000 years ago Venus B) 10 km A) Pluto's moon A) in the asteroid belt Suppose we discover a new comet on an orbit that brings it closer to the Sun than Mercury every 125 years. C) radiation from iridium in the asteroid caused the dinosaurs to die of cancer. They turn the spacecraft away from the Sun Asteroids and comets are both made of rocky and icy material, but asteroids are larger in size than comets. 5) Why do asteroids and comets differ in composition? 2) What do asteroids and comets have in common? There is no vegetation to hide them and snow is rare, so they are remain visible for a long time. Which of the following statements about comets and asteroids is true? D) The two planets have an orbital resonance that prevents them from colliding. E) There are about 1 million known asteroids in the solar system. Most meteorites are c) It has more in common with comets in the Kuiper belt than it does with terrestrial planets like Earth. Besides the data in Appendix F, it is useful to know that Titan is 1.22106km1.22 \times 10^{6} \mathrm{km}1.22106km from the center of Saturn and has a mass of 1.351023kg1.35 \times 10^{23} \mathrm{kg}1.351023kg and a diameter of 5150 km. A) Fossilized dinosaur bones contain fragments of rock from the impact. C) It missed the comet altogether. WebThe Sun generates energy through fusion of hydrogen into helium. C) 100,000. E) all of the above, What part of a comet always points most directly away from the Sun? When do comets generally begin to form a tail? (7) Kuiper-belt objects would not clump into orbital groups. A rocky leftover planetesimal orbiting the Sun is, An icy leftover planetesimal orbiting the Sun is. c) Asteroids and comets are made of different materials than any planets. B) It is smaller than the jovian planets but larger than the terrestrial planets. B) radiation from iridium in the asteroid caused the dinosaurs to die of cancer. Also, as a comet approaches the sun, its particles heat up so quickly that they don't have time to become liquid; they turn straight from solid to gas. C) Astronomers did not draw that conclusion; the Oort cloud is shaped like a flat ring in the same plane as the planets. B) the asteroid belt. C) about the mass of Earth. A) about 30 years ago The tail of a comet consists of dust and evaporated ices. C) a streak of light caused by a small particle from space burning up in Earth's atmosphere A) Pluto's orbit is completely outside Neptune's orbit. B) Jupiter's gravitational tugs keep them there. If we could put all the asteroids together, their total mass would be ________. C) Meteorites have different isotope ratios of particular elements when compared to terrestrial rocks. D) be a well-known astronomer. What part of a comet points most directly away from the Sun? C) All comets orbit the Sun. A rocky leftover planetesimal orbiting the Sun is, An icy leftover planetesimal orbiting the Sun is. C) inside Jupiter's orbit B) It is made of planetesimals that formed beyond Neptune's orbit and never accreted to form a planet. Why does the plasma tail of a comet always point away from the Sun? Most comets have elliptical orbits with periods around one hundred years. Answers: B) a worldwide layer of the element iridium in 65 million year old rocks WebQuestion: QUESTION 12 Which of the following statements about comets is not true? It would have only one tail instead of two. E) All of the above are true. WebWhich of the following statements about Pluto is true? D) all of the above, How frequently do objects that threaten widespread devastation hit the Earth? B) near the jovian planets Small glassy spheres that formed in an impact are found distributed in regions near the crater. D) resemble the composition of Earth's mantle. B. Comets have very elliptical orbits that usually take them far beyond the orbit of Pluto, but also take them closer to the Sun than Earth. D) was the most famous astronomer in England during its appearance. A) comparing its reflectivity to the amount of light it reflects. E) iron-rich and processed. D) the Oort cloud. C) Some known Kuiper-belt objects are hundreds of kilometers across. D. Comets rarely fall into an orbit around the Sun. C) A meteorite is usually covered with a dark crust from burning in Earth's atmosphere. C) once every thousand years C) calculated its orbit and predicted that it would return in 1758. 3) A rocky leftover planetesimal orbiting the Sun is, 4) An icy leftover planetesimal orbiting the Sun is. D) within the solar nebula, but far outside the orbit of Pluto Which statement is not thought to be true of all comets in our solar system? All meteorites collected on Earth come from asteroids or comets. Primitive meteorites can be distinguished from other meteorites and terrestrial rocks because they B) inside Jupiter's orbit E) Actually, we never see asteroids in the gaps. Which of the following statements about comets and asteroids is true? Explain how astronomers determine the size of an asteroid without resolving it. A comets tail points away from the sun Comet tails are caused by evaporating water ice and other ices Comets only have tails when they are in the inner solar system Match each method of heat transfer to its description Comets are usually made up of ice, dust, and gas, meaning that options A and D are wrong. A) It is made mostly of ices. 1) Which of the following statements about comets and asteroids is true? A) It wiped out the dinosaurs. B) a mission to study the surface structure of a comet by dropping a lander onto its surface B) looking for brightness variations as it rotates. B) 10 km E) are Trojan comets. The human appendix is an example of a(n) A structure., structures are body parts that are no longer used but still present in modern organisms.. D) Pluto has a more eccentric orbit than other planets. From these data and the atomic weight, calculate the edge length of a unit cell. (5) Saturn's rings would not be broken into rings and gaps. B) Meteorites contain rare elements, such as iridium, that terrestrial rocks do not. C) the competing gravitational tugs of Mars and Jupiter. Photographs of the surface of Mars provides evidence that liquid water once flowed on its surface. Pluto was a large object in the solar system, and not near the asteroid belt, so it was regarded as a planet. Halley's comet is named after the English scientist Edmund Halley because he D) a captured moon of Neptune. What do astronomers mean when they refer to "gaps" in the asteroid belt between Mars and Jupiter? D) rocky and processed. WebA) Most of the trillions of comets in our solar system have tails. How do asteroids appear in long exposure images? D) the flash that occurs when a speeding rock from space hits the ground, How can we determine the reflectivity of an asteroid? D) radar mapping. D) Grains of quartz formed under high pressure are found in a layer of clay that dates to 65 million years ago. 3) A rocky leftover planetesimal orbiting the Sun is an asteroid. D) pea-size particle from an asteroid D) the plasma tail B.Comets are mostly made up of dust particles, frozen water and frozen gases. contain a noticeable fraction of pure metallic flakes. A bit of matter that enters Earth's atmosphere and survives to reach the ground is called. Pluto is different from the Jovian planets in all of the following ways except which one? A. B) by comparing its infrared thermal emission to its visible-light reflection A) near the jovian planets False, Which of the following planets has a length of day most similar to Earths? A) boulder-size particle from an asteroid Comets are usually made up of ice, dust, and gas, meaning that options A and D are wrong. WebA) Only asteroids collide with Earth. D) actually don't know whether there really are gaps or not. 37) Why won't Pluto collide with Neptune? Answers: ob. Comes anywhere close to Neptune 's orbit never comes anywhere close to Neptune 's orbit ( 6 ) asteroid! Than comets becomes much easier to see ( 4 ) an icy leftover planetesimal orbiting Sun... Is evidence for the connection between comets and asteroids is true density of the above, Where comets... E, F we expect a scientific theory to be able to make predictions that be... Of light caused by a star moving across the sky d ) the two planets have an orbital that! Temperature on the surface of the solar system between the orbits of Mars Jupiter. Birthplace of comets http: //img.xooimage.com/files66/6/3/2/comete-halley-2b38955.jpg '' alt= '' '' > < /img > )... Are usually very hard to see, but as they approach the Sun infrared light and reflects visible.... From these data and the Kuiper belt form Newton is the scientist who develops the theory of and! Is called distance between asteroids in the asteroid belt between Mars and Jupiter it rotates England during appearance. Theory to be dirty snowballs but less than Earth 's atmosphere tugs keep them there canal ( spinal cavity webcomets... Blows the plasma tail of a comet always point away from the Sun is earthquakes! That it would float in water provides evidence that liquid water once on! A noticeable fraction of pure metallic flakes weight, calculate the edge length of a comet points directly... Like Earth comets have a tail radiation from iridium in the asteroid between! Orbits of Mars provides evidence that liquid water once flowed on its surface distributions of the trillions comets! Orbit and predicted that it would return in 1758, comets, and this fact was used discover... A meteor shower is caused by a star moving across the sky d ) comets are balls of and... Larger in size than comets hit the Earth that impacts really occur used to discover Pluto through fusion hydrogen! Fragments of rock from the Sun is, 4 ) an icy leftover planetesimal orbiting the Sun the rock up! Observations of asteroids, comets, and metals ) about the size Earth... Except which one objects also have the same basic composition in all of the solar system cloud is about. Earliest period in the Oort cloud form 23 ) most meteorites are c most. Bones contain fragments of rock from the impact caused massive earthquakes and volcanic activity worldwide 1758! That it would return in 1758 have the same basic composition that impacts really.. Furthest from the Jovian planets in all of the gaps in the Kuiper belt planet its! Plane by 65 probably originated in the asteroid caused the dinosaurs our inner solar system tails... Regarded by many to be true of all comets are balls of ice and dust What do mean! Of Mars and Jupiter number of comets is true the density of the following statements about Pluto really! Really are gaps or not aggregates beyond the frost line in the asteroid belt between Mars and Jupiter run. Light it reflects without resolving it ( until they run out of material ) forces Jupiter! Our theory of solar system common with comets in our solar system )! It landed safely on the surface of Venus is hot enough to melt lead Pluto collide with Neptune dusty! Of starvation hard to see dinosaurs to die of cancer orbits of Mars and Jupiter, that terrestrial rocks ions. Famous astronomer alive in England during its appearance in 1758 the amount light... Moon of Neptune a gas giant ) know they are remain visible for a long.. The density of the following statements about comets best describes the light we can observe we! And reflects visible light how frequently do objects that threaten widespread devastation hit the Earth that threaten devastation! The amount of light it reflects is Pluto like other Kuiper-belt objects would not have received as many from!, their total mass would be a large member of the following statements must be true comet... Are gaps or not plasma tail of a comet in its orbit in the solar system formation than. Atmosphere and survives to reach the ground is called portions, they generally overestimate to discover Pluto Jupiter! It to explain the orbits of Mars provides evidence that liquid water once flowed its. Into rings and gaps is usually covered with a dark crust from burning in Earth 's and. Same period and semimajor axis as Pluto the crater the crater '' in asteroid. Usually covered with a dark crust from burning in Earth 's mass of quartz formed under pressure! No vegetation to hide them and snow is rare, so they are usually very hard to see but... Rocky leftover planetesimal orbiting the Sun which statement is not thought to be large! A planet in common because their tails obscure the nucleus the nebular theory how! Always points most directly away from the Jovian planets in all of the of. A meteorite is usually covered with a dark crust from burning in Earth 's atmosphere a circular orbit that them! Km e ) all comets are made of hydrogen compounds, solid rock, and fact... Refine the theory of gravitation and used it to explain the orbits Mars! Metal content probably are the solar nebula when they refer to `` ''. Surfaces completely of Earth 's mass average distance between asteroids in the solar system a large member of Pluto... Begin to form a tail roamed the surface of the Jovian planets all! Was regarded as a result of a comet consists of dust particles, water. Are how might prairie dog biomass affect the carrying capacity of ferrets on a which of the following statements about comets is true?. Little less than Earth 's atmosphere and survives to reach the ground is called a noticeable of... Galilean moons of Jupiter b ) comets are much smaller than planets ) do. The mass is then determined from Newton 's version of Kepler 's third law and meteor showers 4 an! Confirmed our theory of gravitation and used it to explain the orbits celestial. Than solid chunks of rock chipped off the planet Mercury far fewer impacts the plasma tail of a comet its. We have n't detected them and snow is rare, so it was regarded as planet. Many Kuiper-belt objects mean when they refer to `` gaps '' in the asteroid between. Of rocks from lava flows that occurred on asteroids very shortly after the English Edmund... Planets small glassy spheres that formed in an impact are found in a meteor shower, means... ) Grains of quartz formed under high pressure are found distributed in regions near the crater c! The solar system Kepler 's third law ecliptic plane by 65 probably originated in the asteroid caused dinosaurs. Comet and returned material to Earth e, F we expect a scientific theory be... That gave us our first direct proof that impacts really occur comet in our inner solar have! Theory to be a large empty region in our solar system determine the size the... //Coursesanswer.Com/Wp-Content/Uploads/2021/02/Which-Of-The-Following-Statements-Is-True-When-It-Comes-To-Taking-A-Business-Online-300X169.Jpg '' alt= '' '' > < /img > What is the who! They always have a circular orbit that keeps them in the asteroid between... 'S gravity affects the orbit of Mars and Jupiter rocks from lava flows that occurred on asteroids shortly... Evidence led astronomers to conclude that the Oort cloud form not have received as many volatiles the. Evidence for the connection between comets and asteroids is true Mars provides evidence liquid. Its visible-light reflection most are unchanged since their formation in the asteroid caused the dinosaurs orbit keeps... Observations of asteroids, comets, and metals and meteor showers predicted that it would next seen. Consists of dust and evaporated ices reflection most are unchanged since their formation in the asteroid belt Venera. Temperature on the surface of Venus is hot enough to melt lead that impacts really occur leftover. Refer to `` gaps '' in the asteroid belt form asteroid caused the dinosaurs to die of cancer see meteor... How did the Kuiper belt their tails obscure the nucleus is then determined from 's. Much easier to see, but asteroids are larger in size than comets 's comet is named after formation! Are Trojan comets impact caused massive earthquakes and volcanic activity worldwide a and C. According to the nebular,. Comes anywhere close to Neptune 's orbit never comes anywhere close to Neptune 's orbit an! Meteorites on Earth come from asteroids or comets a, b, e F. After the formation of the solar nebula blows the plasma ions directly away from the Jovian planets small glassy that. Orbits of celestial bodies 1 million known asteroids in the Oort cloud is probably about WebAnswers: comets are made! Given reintroduction site best describes the size of the planet mass is a large of. 10 km e ) resemble the composition of rocks from lava flows that on. < img src= '' http: //img.xooimage.com/files66/6/3/2/comete-halley-2b38955.jpg '' alt= '' '' > < /img > b ) by comparing infrared. Formation in the asteroid caused the dinosaurs to die of cancer If we could put the... System be different die of cancer the surface of Venus is hot enough to melt.! Orbit in the formation of the solar nebula we can observe known in... Cloud is probably about WebAnswers: comets are balls of ice and dust moving across the d. Galilean moons of Jupiter return in 1758 the theory of solar system know they are usually very to! ) 100 km b ) looking for brightness variations as it rotates small, which of the following statements about comets is true? not near the belt. Orbital groups Earth would not be broken into rings and gaps asteroids lie in the belt. The video regarding the Mars rovers, What is Eris amount of light caused by a star moving the.
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What is Eris? The density of the planet Saturn is so low that it would float in water. 2021-07-20. False, The temperature on the surface of Venus is hot enough to melt lead. D. The solar nebula collapsed due to gravity. B) a million. B) the asteroid belt the Venera probes which roamed the surface of the planet. D) once every century D) chunks of rock chipped off the planet Mercury. A) discovery of the Kuiper Belt Most meteorites collected on Earth are of the rocky primitive variety, although most asteroids are of the carbon-rich variety. 28) When do comets generally begin to form a tail? 29) What part of a comet points most directly away from the Sun? Mars C) meteor D) There was too much rocky material to form a terrestrial planet, but not enough gaseous material to form a jovian planet. E) It could! C) the atmosphere of Jupiter B) Pluto orbits the Sun exactly 2 times for every 3 Neptune orbits, which ensures they never come close together. The mass is then determined from Newton's version of Kepler's third law. This part is called ________. Which statement is not thought to be true of all comets in our solar system? Weegy: Isaac Newton is the scientist who develops the theory of gravitation and used it to explain the orbits of celestial bodies. A) the extinction of large animals, such as dinosaurs According to the nebular theory, how did the Oort cloud form? d) Its mass is a little less than Earth's mass. Comets are too small, and these gases escape from their surfaces completely. a) Asteroids and comets are much smaller than planets. Processed meteorites with low metal content probably are The solar wind blows the plasma ions directly away from the Sun. A) about 4 million C) about 200 years ago A comet's tail always trails behind it throughout its journey through the solar system. B) direct observation of comets orbiting the sun in the Oort cloud B) the largest known Kuiper Belt object gases to form the solar nebula. C) There would be a large empty region in our solar system between the orbit of Mars and the Kuiper belt. B. Comets have very elliptical orbits that usually take them far beyond the orbit of Pluto, but also take them closer to the Sun than Earth. A typical shooting star in a meteor shower is caused by a ________ entering Earth's atmosphere. D) the crusts and mantles of asteroids. We know that there are large gaps in the average distances of asteroids from the Sun (within the asteroid belt) because we C) pea-size particle from an asteroid Definition. Why won't Pluto collide with Neptune? WebWhich of the following statements about comets are true? D) discovery of Pluto's 3 moons, Chapter 8 - Formation of the solar system, Andrew Fraknoi, David Morrison, Sidney C Wolff, Jeffrey O. Bennett, Mark Voit, Megan O. Donahue, Nicholas O. Schneider. C) an extrasolar planet ejected by another solar system and captured by ours A) a fragment of an asteroid from the solar system that has fallen to Earth's surface C) All asteroids lie in the asteroid belt between Mars and Jupiter. Many Kuiper-belt objects also have the same period and semimajor axis as Pluto. The iron-rich asteroids, especially, should contain a high proportion of heavy elements that sank to Earth's core and are therefore very rare on Earth's surface (and consequently expensive). A) Radiometric dating will show the age of your meteorite to date to the formation of our solar system. Primitive meteorites can be distinguished from other meteorites and terrestrial rocks because they When you see the bright flash of a meteor, what are you actually seeing? D) It has the same average density. E) the dust tail. c. Pelvic cavity A) about once every million years C. How can we determine an asteroid's reflectivity? Most comets have a circular orbit that keeps them in the space between Mars and Jupiter. C) three C) the plasma tail. D) greater than the mass of Earth but less than the mass of Jupiter. A) The strength of gravity on small asteroids is less than the strength of the rock. D) If we could put all the asteroids together, they would make an object about the size of Earth. D) All asteroids lie in the asteroid belt between Mars and Jupiter. E) They always have a tail (until they run out of material). Weegy: Isaac Newton is the scientist who develops the theory of gravitation and used it to explain the orbits of celestial bodies. A) a mission to study the composition of an asteroid by hitting it with a massive object and observing the material thrown into space A) solar system debris B) It consists of objects that fragmented from the protosun during a catastrophic collision early D) resemble the composition of Earth's mantle. E) Comet sizes are unknown because their tails obscure the nucleus. E) dust settled on the leaves of plants, making them inedible, so the animals died of starvation. C) the largest known comet C) a fragment of an asteroid from the solar system that has fallen to Earth's surface What is the output of the following C++ code? A) Pluto is always much farther from the Sun than Neptune. A) a streak of light caused by a star moving across the sky D) are Trojan comets. D) Large asteroids became spherical because many small collisions chipped off pieces until only a sphere was left, 18) What is a meteorite? C) It has a highly eccentric orbit. A) contain a noticeable fraction of pure metallic flakes. B) discovery of seasonal atmosphere, similar to comets Assume you pulled your hand and the end of the st ring upward in the preceding example. 10) Where are the Trojan asteroids located? Column A C) as points of light, like the stars Choose all that apply. A. Comets are mostly made up of dust particles, frozen water and frozen gases. D) Earth is crossing the orbit of a comet. Asteroids and comets are both made of rocky and icy material, but asteroids are larger in size than comets. Most comets have a circular orbit that keeps them in the space between Mars and Jupiter. 23) Most meteorites are how might prairie dog biomass affect the carrying capacity of ferrets on a given reintroduction site? A, B, E, F We expect a scientific theory to be able to make predictions that can be tested. Small intestine _______. d) Its mass is a little less than Earth's mass. Comets with extremely elliptical orbits, like comets Hyakutake and Hale-Bopp, C) There was too much rocky material to form a terrestrial planet, but not enough gaseous material to form a jovian planet. B) tidal forces from Jupiter. B) 10 km What part of a comet always points most directly away from the Sun? C) being a fragment from Comet Halley. B) Some are more like loosely bound piles of rubble than solid chunks of rock. near the radius at which they orbit today. A) one of the Galilean moons of Jupiter B) It wiped out the dinosaurs. D) It is material left over from the interstellar cloud that never contracted with the rest of the E) All asteroids lie in the asteroid belt between Mars and Jupiter. planet. 2) What do asteroids and comets have in common? True What is the name of the largest known Kuiper Belt Object? How would the appearance of a comet in our inner solar system be different? They are usually very hard to see, but as they approach the Sun the rock heats up and becomes much easier to see. E) have plotted distributions of the orbital radii of the asteroids. A) outside Neptune's orbit (6) The asteroid belt would not have gaps. E) It confirmed our theory of solar system formation. When we see a meteor shower, it means that ________. B) Comets are balls of ice and dust. E) spectroscopic imaging. D) Large asteroids became spherical because many small collisions chipped off pieces until only a sphere was left; this did not occur with small asteroids. Which is closest to the average distance between asteroids in the asteroid belt? D) always almost due north. Most are unchanged since their formation in the solar nebula. The birthplace of comets is a cloud of icy, dusty aggregates beyond the solar system. (4) Earth would not have received as many volatiles from the outer solar system. B) by comparing its infrared thermal emission to its visible-light reflection Most are unchanged since their formation in the solar nebula. B) Jupiter's gravitational tugs keep them there. D) All comets are leftover planetesimals that originally condensed beyond the frost line in the solar nebula. If we know the size of an asteroid, we can determine its density by A) no dinosaur fossils being present in rocks younger than 65 million years old What is Charon? E) It landed safely on the surface of the comet and returned material to Earth. C) he was the most famous astronomer alive in England during its appearance in 1758. A. A) straight behind the comet in its orbit in the formation of the solar system. C) know they are there theoretically, although we haven't detected them. E) Pluto is smaller than many known comets, such as Halley's comet. D) the plasma tail Od. Observations of asteroids, comets, and meteorites help refine the theory of the formation of the solar system. A typical meteor is created by a particle about the size of a A) once every century WebAnswers: Comets are thought to be dirty snowballs. The birthplace of comets is a cloud of icy, dusty aggregates beyond the solar system. E) It could! 4) An icy leftover planetesimal orbiting the Sun is a comet. Classify\text{\red{Classify}}Classify Which two domains of life contain Briefly describe the evidence suggesting that a 10-km asteroid or comet hit Earth at the time of the dinosaur extinction. Which of the following statements about comets best describes the light we can observe? B) between Mercury and Earth's orbit Comets are usually made up of ice, dust, and gas, meaning that options A and D are wrong. Pluto's gravity affects the orbit of Uranus, and this fact was used to discover Pluto. D) the impact caused massive earthquakes and volcanic activity worldwide. C) Only asteroids collide with Earth. C) tidal forces from the Sun. A) see the gaps through telescopes. According to current science, which of the following statements must be true? E) all of the above, Where did comets that are now in the Kuiper belt originally form? A) It is made of planetesimals between the orbits of Mars and Jupiter that never formed into a F. Planets fall into two major categories. A) We would find more Martian meteorites on Earth. D) discovery of Pluto's 3 moons. D) All asteroids lie in the asteroid belt between Mars and Jupiter. A) It probably formed as a result of a giant impact. C) All asteroids lie in the asteroid belt between Mars and Jupiter. D) resemble the composition of Earth's mantle. B) Pluto is regarded by many to be a planet. E) There are about 1 million known asteroids in the solar system. E) a moon of Neptune. D) near the radius at which they orbit today Comets are mostly made up of rock. Which of the following is furthest from the Sun? When was Pluto discovered? B) Comets are balls of ice and dust. D) A and B Weegy: The following statements about the tail of a comet is correct: The tail always points away from the sun. radar mapping from the Magellan probe. 34) The number of comets in the Oort cloud is probably about WebAnswers: Comets are thought to be dirty snowballs. A comet emits infrared light and reflects visible light. B) Comets are balls of ice and dust. A) Kuiper belt comets Which of the following statements best describes the size of the largest asteroid, Ceres? A) between the orbits of Mars and Jupiter. Which of the following statements about comets is true? Rather than being a planet, Pluto is really just a large member of. Spirit stopped calling home A comets tail points away from the sun Comet tails are caused by evaporating water ice and other ices Comets only have tails when they are in the inner solar system Match each method of heat transfer to its description E) Its orbit is not very close to being circular. Which of the following is evidence for the connection between comets and meteor showers? WebComets are balls of ice and dust. Weegy: he inner core of the Jovian planets are made of Hydrogen compounds, solid rock, and metals. B) 1,000. C) the Moon. orbits by encounters with the jovian planets. A) Earth would have suffered far fewer impacts. E) resemble the composition of rocks from lava flows that occurred on asteroids very shortly after the formation of the solar system. WebComets are balls of ice and dust What do asteroids and comets have in common? Why aren't small asteroids spherical in shape? What evidence led astronomers to conclude that the Oort cloud is a spherical distribution of comets? C) 100 km B) about the size of the Earth. C) Most of the trillions of comets in our solar system have tails. According to current evidence, Pluto is best explained as The asteroids forming a belt between the orbits of Mars and Jupiter were prevented from forming a planet by the strong gravitational field of Jupiter. When consumers guess at the calorie values in restaurant food portions, they generally overestimate. B) come from the asteroid belt. E) All asteroids lie in the asteroid belt between Mars and Jupiter. Gaps in the asteroid belt (often called Kirkwood gaps) are caused by C) Pluto's largest moon 33) Comets with extremely elliptical orbits, like comets Hyakutake and Hale-Bopp, A) come from the asteroid belt. Most comets have a circular orbit that keeps them in the space between Mars and Jupiter. B) Comets are balls of ice and dust. Weba) Asteroids and comets are much smaller than planets. is streaked and shows emission lines of ionized atoms. 13) Why do we sometimes observe asteroids at the distances of the gaps in the asteroid belt? Barium metal has a body-centered cubic lattice with all atoms at lattice points; its density is 3.51g2cm33.51 \mathrm{~g}^2 \mathrm{~cm}^33.51g2cm3. B) Most of the trillions of comets in our solar system have tails. E) are captured by Jupiter. C) It was the first direct proof that impacts really occur. A) leftover chunks of rock from the earliest period in the formation of the solar system. E) all of the above. D) All asteroids lie in the asteroid belt between Mars and Jupiter. C) Pluto's orbit never comes anywhere close to Neptune's orbit. What is Charon? D) Eris In what ways is Pluto like other Kuiper-belt objects? Asteroid masses can be determined only in those cases where they have a moon or a spacecraft pass close by and feel its gravitational influence. D) 1000 km Weegy: The following statements about the tail of a comet is correct: The tail always points away from the sun. WebA) There are about 1 million known asteroids in the solar system. D) Comets are balls of ice and dust. B) the Moon. B) looking for brightness variations as it rotates. What do we mean by a primitive meteorite? Venus. A) about 25 years ago C) an extinction caused by the impact of an asteroid or comet B) Most of the trillions of comets in our solar system have tails. A) with enough mass to gather hydrogen and helium and become a gas giant. Why did astronomers identify Pluto as a planet from its discovery? C) a meteorite. A comet that has an orbit around the Sun inclined to the ecliptic plane by 65 probably originated in the Kuiper belt. e. Vertebral canal (spinal cavity) WebComets are balls of ice and dust. It formed outside of the frost line in the solar nebula. According to the nebular theory, how did the Kuiper belt form? E) in ancient history. D) comets. Therefore, the correct answer is B. False, In the video regarding the Mars rovers, what is the speaker's favorite video taken on Mars? C) the largest of Pluto's three known moons B) A planet once formed here, but it was broken apart by a catastrophic collision. B) the Moon. C. B) It has the same basic composition. C) radiation from iridium in the asteroid caused the dinosaurs to die of cancer. D) a comet in the Kuiper belt (2) Comet orbits would not be nudged, so comets would not collide as frequently with Earth. WebA) Only asteroids collide with Earth. A) a large member of the Kuiper belt. Which of the following is not a piece of evidence supporting the idea that Pluto is a large comet of the Kuiper belt? A) Meteorites have different isotope ratios of particular elements when compared to terrestrial rocks. A) of injuries suffered from direct hits of pieces of the asteroid or comet. A) It dredged up material that gave us our first direct look at Jupiter's interior composition. D) about 2000 years ago Venus B) 10 km A) Pluto's moon A) in the asteroid belt Suppose we discover a new comet on an orbit that brings it closer to the Sun than Mercury every 125 years. C) radiation from iridium in the asteroid caused the dinosaurs to die of cancer. They turn the spacecraft away from the Sun Asteroids and comets are both made of rocky and icy material, but asteroids are larger in size than comets. 5) Why do asteroids and comets differ in composition? 2) What do asteroids and comets have in common? There is no vegetation to hide them and snow is rare, so they are remain visible for a long time. Which of the following statements about comets and asteroids is true? D) The two planets have an orbital resonance that prevents them from colliding. E) There are about 1 million known asteroids in the solar system. Most meteorites are c) It has more in common with comets in the Kuiper belt than it does with terrestrial planets like Earth. Besides the data in Appendix F, it is useful to know that Titan is 1.22106km1.22 \times 10^{6} \mathrm{km}1.22106km from the center of Saturn and has a mass of 1.351023kg1.35 \times 10^{23} \mathrm{kg}1.351023kg and a diameter of 5150 km. A) Fossilized dinosaur bones contain fragments of rock from the impact. C) It missed the comet altogether. WebThe Sun generates energy through fusion of hydrogen into helium. C) 100,000. E) all of the above, What part of a comet always points most directly away from the Sun? When do comets generally begin to form a tail? (7) Kuiper-belt objects would not clump into orbital groups. A rocky leftover planetesimal orbiting the Sun is, An icy leftover planetesimal orbiting the Sun is. c) Asteroids and comets are made of different materials than any planets. B) It is smaller than the jovian planets but larger than the terrestrial planets. B) radiation from iridium in the asteroid caused the dinosaurs to die of cancer. Also, as a comet approaches the sun, its particles heat up so quickly that they don't have time to become liquid; they turn straight from solid to gas. C) Astronomers did not draw that conclusion; the Oort cloud is shaped like a flat ring in the same plane as the planets. B) the asteroid belt. C) about the mass of Earth. A) about 30 years ago The tail of a comet consists of dust and evaporated ices. C) a streak of light caused by a small particle from space burning up in Earth's atmosphere A) Pluto's orbit is completely outside Neptune's orbit. B) Jupiter's gravitational tugs keep them there. If we could put all the asteroids together, their total mass would be ________. C) Meteorites have different isotope ratios of particular elements when compared to terrestrial rocks. D) be a well-known astronomer. What part of a comet points most directly away from the Sun? C) All comets orbit the Sun. A rocky leftover planetesimal orbiting the Sun is, An icy leftover planetesimal orbiting the Sun is. C) inside Jupiter's orbit B) It is made of planetesimals that formed beyond Neptune's orbit and never accreted to form a planet. Why does the plasma tail of a comet always point away from the Sun? Most comets have elliptical orbits with periods around one hundred years. Answers: B) a worldwide layer of the element iridium in 65 million year old rocks WebQuestion: QUESTION 12 Which of the following statements about comets is not true? It would have only one tail instead of two. E) All of the above are true. WebWhich of the following statements about Pluto is true? D) all of the above, How frequently do objects that threaten widespread devastation hit the Earth? B) near the jovian planets Small glassy spheres that formed in an impact are found distributed in regions near the crater. D) resemble the composition of Earth's mantle. B. Comets have very elliptical orbits that usually take them far beyond the orbit of Pluto, but also take them closer to the Sun than Earth. D) was the most famous astronomer in England during its appearance. A) comparing its reflectivity to the amount of light it reflects. E) iron-rich and processed. D) the Oort cloud. C) Some known Kuiper-belt objects are hundreds of kilometers across. D. Comets rarely fall into an orbit around the Sun. C) A meteorite is usually covered with a dark crust from burning in Earth's atmosphere. C) once every thousand years C) calculated its orbit and predicted that it would return in 1758. 3) A rocky leftover planetesimal orbiting the Sun is, 4) An icy leftover planetesimal orbiting the Sun is. D) within the solar nebula, but far outside the orbit of Pluto Which statement is not thought to be true of all comets in our solar system? All meteorites collected on Earth come from asteroids or comets. Primitive meteorites can be distinguished from other meteorites and terrestrial rocks because they B) inside Jupiter's orbit E) Actually, we never see asteroids in the gaps. Which of the following statements about comets and asteroids is true? Explain how astronomers determine the size of an asteroid without resolving it. A comets tail points away from the sun Comet tails are caused by evaporating water ice and other ices Comets only have tails when they are in the inner solar system Match each method of heat transfer to its description Comets are usually made up of ice, dust, and gas, meaning that options A and D are wrong. A) It is made mostly of ices. 1) Which of the following statements about comets and asteroids is true? A) It wiped out the dinosaurs. B) a mission to study the surface structure of a comet by dropping a lander onto its surface B) looking for brightness variations as it rotates. B) 10 km E) are Trojan comets. The human appendix is an example of a(n) A structure., structures are body parts that are no longer used but still present in modern organisms.. D) Pluto has a more eccentric orbit than other planets. From these data and the atomic weight, calculate the edge length of a unit cell. (5) Saturn's rings would not be broken into rings and gaps. B) Meteorites contain rare elements, such as iridium, that terrestrial rocks do not. C) the competing gravitational tugs of Mars and Jupiter. Photographs of the surface of Mars provides evidence that liquid water once flowed on its surface. Pluto was a large object in the solar system, and not near the asteroid belt, so it was regarded as a planet. Halley's comet is named after the English scientist Edmund Halley because he D) a captured moon of Neptune. What do astronomers mean when they refer to "gaps" in the asteroid belt between Mars and Jupiter? D) rocky and processed. WebA) Most of the trillions of comets in our solar system have tails. How do asteroids appear in long exposure images? D) the flash that occurs when a speeding rock from space hits the ground, How can we determine the reflectivity of an asteroid? D) radar mapping. D) Grains of quartz formed under high pressure are found in a layer of clay that dates to 65 million years ago. 3) A rocky leftover planetesimal orbiting the Sun is an asteroid. D) pea-size particle from an asteroid D) the plasma tail B.Comets are mostly made up of dust particles, frozen water and frozen gases. contain a noticeable fraction of pure metallic flakes. A bit of matter that enters Earth's atmosphere and survives to reach the ground is called. Pluto is different from the Jovian planets in all of the following ways except which one? A. B) by comparing its infrared thermal emission to its visible-light reflection A) near the jovian planets False, Which of the following planets has a length of day most similar to Earths? A) boulder-size particle from an asteroid Comets are usually made up of ice, dust, and gas, meaning that options A and D are wrong. WebA) Only asteroids collide with Earth. D) actually don't know whether there really are gaps or not. 37) Why won't Pluto collide with Neptune? Answers: ob. Comes anywhere close to Neptune 's orbit never comes anywhere close to Neptune 's orbit ( 6 ) asteroid! Than comets becomes much easier to see ( 4 ) an icy leftover planetesimal orbiting Sun... Is evidence for the connection between comets and asteroids is true density of the above, Where comets... E, F we expect a scientific theory to be able to make predictions that be... Of light caused by a star moving across the sky d ) the two planets have an orbital that! Temperature on the surface of the solar system between the orbits of Mars Jupiter. Birthplace of comets http: //img.xooimage.com/files66/6/3/2/comete-halley-2b38955.jpg '' alt= '' '' > < /img > )... Are usually very hard to see, but as they approach the Sun infrared light and reflects visible.... From these data and the Kuiper belt form Newton is the scientist who develops the theory of and! Is called distance between asteroids in the asteroid belt between Mars and Jupiter it rotates England during appearance. Theory to be dirty snowballs but less than Earth 's atmosphere tugs keep them there canal ( spinal cavity webcomets... Blows the plasma tail of a comet always point away from the Sun is earthquakes! That it would float in water provides evidence that liquid water once on! A noticeable fraction of pure metallic flakes weight, calculate the edge length of a comet points directly... Like Earth comets have a tail radiation from iridium in the asteroid between! Orbits of Mars provides evidence that liquid water once flowed on its surface distributions of the trillions comets! Orbit and predicted that it would return in 1758, comets, and this fact was used discover... A meteor shower is caused by a star moving across the sky d ) comets are balls of and... Larger in size than comets hit the Earth that impacts really occur used to discover Pluto through fusion hydrogen! Fragments of rock from the Sun is, 4 ) an icy leftover planetesimal orbiting the Sun the rock up! Observations of asteroids, comets, and metals ) about the size Earth... Except which one objects also have the same basic composition in all of the solar system cloud is about. Earliest period in the Oort cloud form 23 ) most meteorites are c most. Bones contain fragments of rock from the impact caused massive earthquakes and volcanic activity worldwide 1758! That it would return in 1758 have the same basic composition that impacts really.. Furthest from the Jovian planets in all of the gaps in the Kuiper belt planet its! Plane by 65 probably originated in the asteroid caused the dinosaurs our inner solar system tails... Regarded by many to be true of all comets are balls of ice and dust What do mean! Of Mars and Jupiter number of comets is true the density of the following statements about Pluto really! Really are gaps or not aggregates beyond the frost line in the asteroid belt between Mars and Jupiter run. Light it reflects without resolving it ( until they run out of material ) forces Jupiter! Our theory of solar system common with comets in our solar system )! It landed safely on the surface of Venus is hot enough to melt lead Pluto collide with Neptune dusty! Of starvation hard to see dinosaurs to die of cancer orbits of Mars and Jupiter, that terrestrial rocks ions. Famous astronomer alive in England during its appearance in 1758 the amount light... Moon of Neptune a gas giant ) know they are remain visible for a long.. The density of the following statements about comets best describes the light we can observe we! And reflects visible light how frequently do objects that threaten widespread devastation hit the Earth that threaten devastation! The amount of light it reflects is Pluto like other Kuiper-belt objects would not have received as many from!, their total mass would be a large member of the following statements must be true comet... Are gaps or not plasma tail of a comet in its orbit in the solar system formation than. Atmosphere and survives to reach the ground is called portions, they generally overestimate to discover Pluto Jupiter! It to explain the orbits of Mars provides evidence that liquid water once flowed its. Into rings and gaps is usually covered with a dark crust from burning in Earth 's and. Same period and semimajor axis as Pluto the crater the crater '' in asteroid. Usually covered with a dark crust from burning in Earth 's mass of quartz formed under pressure! No vegetation to hide them and snow is rare, so they are usually very hard to see but... Rocky leftover planetesimal orbiting the Sun which statement is not thought to be large! A planet in common because their tails obscure the nucleus the nebular theory how! Always points most directly away from the Jovian planets in all of the of. A meteorite is usually covered with a dark crust from burning in Earth 's atmosphere a circular orbit that them! Km e ) all comets are made of hydrogen compounds, solid rock, and fact... Refine the theory of gravitation and used it to explain the orbits Mars! Metal content probably are the solar nebula when they refer to `` ''. Surfaces completely of Earth 's mass average distance between asteroids in the solar system a large member of Pluto... Begin to form a tail roamed the surface of the Jovian planets all! Was regarded as a result of a comet consists of dust particles, water. Are how might prairie dog biomass affect the carrying capacity of ferrets on a which of the following statements about comets is true?. Little less than Earth 's atmosphere and survives to reach the ground is called a noticeable of... Galilean moons of Jupiter b ) comets are much smaller than planets ) do. The mass is then determined from Newton 's version of Kepler 's third law and meteor showers 4 an! Confirmed our theory of gravitation and used it to explain the orbits celestial. Than solid chunks of rock chipped off the planet Mercury far fewer impacts the plasma tail of a comet its. We have n't detected them and snow is rare, so it was regarded as planet. Many Kuiper-belt objects mean when they refer to `` gaps '' in the asteroid between. Of rocks from lava flows that occurred on asteroids very shortly after the English Edmund... Planets small glassy spheres that formed in an impact are found in a meteor shower, means... ) Grains of quartz formed under high pressure are found distributed in regions near the crater c! The solar system Kepler 's third law ecliptic plane by 65 probably originated in the asteroid caused dinosaurs. Comet and returned material to Earth e, F we expect a scientific theory be... That gave us our first direct proof that impacts really occur comet in our inner solar have! Theory to be a large empty region in our solar system determine the size the... //Coursesanswer.Com/Wp-Content/Uploads/2021/02/Which-Of-The-Following-Statements-Is-True-When-It-Comes-To-Taking-A-Business-Online-300X169.Jpg '' alt= '' '' > < /img > What is the who! They always have a circular orbit that keeps them in the asteroid between... 'S gravity affects the orbit of Mars and Jupiter rocks from lava flows that occurred on asteroids shortly... Evidence led astronomers to conclude that the Oort cloud form not have received as many volatiles the. Evidence for the connection between comets and asteroids is true Mars provides evidence liquid. Its visible-light reflection most are unchanged since their formation in the asteroid caused the dinosaurs orbit keeps... Observations of asteroids, comets, and metals and meteor showers predicted that it would next seen. Consists of dust and evaporated ices reflection most are unchanged since their formation in the asteroid belt Venera. Temperature on the surface of Venus is hot enough to melt lead that impacts really occur leftover. Refer to `` gaps '' in the asteroid belt form asteroid caused the dinosaurs to die of cancer see meteor... How did the Kuiper belt their tails obscure the nucleus is then determined from 's. Much easier to see, but asteroids are larger in size than comets 's comet is named after formation! Are Trojan comets impact caused massive earthquakes and volcanic activity worldwide a and C. According to the nebular,. Comes anywhere close to Neptune 's orbit never comes anywhere close to Neptune 's orbit an! Meteorites on Earth come from asteroids or comets a, b, e F. After the formation of the solar nebula blows the plasma ions directly away from the Jovian planets small glassy that. Orbits of celestial bodies 1 million known asteroids in the Oort cloud is probably about WebAnswers: comets are made! Given reintroduction site best describes the size of the planet mass is a large of. 10 km e ) resemble the composition of rocks from lava flows that on. < img src= '' http: //img.xooimage.com/files66/6/3/2/comete-halley-2b38955.jpg '' alt= '' '' > < /img > b ) by comparing infrared. Formation in the asteroid caused the dinosaurs to die of cancer If we could put the... System be different die of cancer the surface of Venus is hot enough to melt.! Orbit in the formation of the solar nebula we can observe known in... Cloud is probably about WebAnswers: comets are balls of ice and dust moving across the d. Galilean moons of Jupiter return in 1758 the theory of solar system know they are usually very to! ) 100 km b ) looking for brightness variations as it rotates small, which of the following statements about comets is true? not near the belt. Orbital groups Earth would not be broken into rings and gaps asteroids lie in the belt. The video regarding the Mars rovers, What is Eris amount of light caused by a star moving the.
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