which of the following statements about comets is true?

C) A prototype asteroid defense system was being tested nearby. a. Abdominal cavity Comets are balls of ice and dust. C) the largest known comet C) contain a lot of iron and were used by humans to make iron tools. B) Comets are balls of ice and dust. Why isn't there a planet where the asteroid belt is located? WebWhich of the following statements about comets are true?

ICl5\mathrm { ICl } _ { 5 }ICl5. B) tidal forces from Jupiter. Which of the following statements about comets is true? A rocky leftover planetesimal orbiting the Sun is, An icy leftover planetesimal orbiting the Sun is. B) tidal forces from Jupiter. A comet that has an orbit around the Sun inclined to the ecliptic plane by 65 probably originated in the Kuiper belt. D) be a well-known astronomer. What is Charon? D) about 2000 years ago Jeffrey O. Bennett, Mark Voit, Megan O. Donahue, Nicholas O. Schneider. According to the nebular theory, how did the Kuiper belt form? Answers: C) radiation from iridium in the asteroid caused the dinosaurs to die of cancer. B) boulder-size particle from a comet Where did comets that are now in the Oort cloud originally form? C) 1000 km C) It has a highly eccentric orbit. E) There are about 1 million known asteroids in the solar system. They are usually very hard to see, but as they approach the Sun the rock heats up and becomes much easier to see. Which of the following statements about comets is true? Earth. They are usually very hard to see, but as they approach the Sun the rock heats up and becomes much easier to see. b) Unlike planets, asteroids and comets do not orbit the Sun.

E) There are about 1 million known asteroids in the solar system. Answers: A video of the sunset A. Comets are mostly made up of dust particles, frozen water and frozen gases. C) the jets of gas Which of the following is not a piece of evidence supporting the idea that Pluto is a large comet of the Kuiper belt? E) microscopic particle of interstellar dust.

At what distance from Titan should the gravitational pull of Titan just balance the gravitational pull of Saturn?

orbits by encounters with the jovian planets. This part is called ________.

Why is the Kuiper belt flat but the Oort cloud spherical? Give an example of a structure that is present in both human and fish embryos, but develops into different structures in each by birth., A(n) an organism. D) the dust tail WebA) Only asteroids collide with Earth. E) Comet sizes are unknown because their tails obscure the nucleus. A) a streak of light caused by a star moving across the sky

Halley's comet is named after the English scientist Edmund Halley (1656-1742) because c. Most comets have perfectly circular orbits. A) the largest known Kuiper belt comet C) boulder- size particle from a comet Pluto was a large object in the solar system, and not near the asteroid belt, so it was regarded as a planet. E) in the Oort cloud. C) Gases from the comet, heated by the Sun, push the tail away from the Sun. D) They are kept in place by shepherding asteroids. 17) Why aren't small asteroids spherical in shape? A. Comets are mostly made up of rock. B) A meteorite usually has a high metal content.

D) the crusts and mantles of asteroids. Which of the following statements is not true? A) The solar wind electromagnetically "blows" the ions directly away from the Sun. E) four, What is Eris? C) a fragment of an asteroid from the solar system that has fallen to Earth's surface Most comets have elliptical orbits with periods around one hundred years. E) a small moon that orbits one of the giant planets, A typical shooting star in a meteor shower is caused by a ________ entering Earth's atmosphere.

A) leftover chunks of rock from the earliest period in the formation of the solar system. B) the glow from a pea-size particle and the surrounding air as the particle burns up in our atmosphere On average, how often do impacts large enough to produce mass extinction on the Earth occur?

C) It is a little less than half the diameter of our Moon. D) Comets are balls of ice and dust. A) Radiometric dating will show the age of your meteorite to date to the formation of our solar system. How would the appearance of a comet in our inner solar system be different? On December 25, 2004, the Huygens probe separated from the Cassini spacecraft orbiting Saturn and began a 22-day journey to Saturns giant moon Titan, on whose surface it landed. D) near the radius at which they orbit today D) Pluto. E) All asteroids lie in the asteroid belt between Mars and Jupiter. WebComets are balls of ice and dust What do asteroids and comets have in common? A) A gap is located at an average orbital distance, and asteroid orbits often have large eccentricities. Approximately how long ago was Pluto discovered? E) dust settled on the leaves of plants, making them inedible, so the animals died of starvation. Which of the following statements about comets and asteroids is true? 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. Click the card to flip . A) near the jovian planets

D) It has a solid surface. This makes them very visible when they come near the sun. B) a meteorite that was discovered by primitive people C) beyond Jupiter's orbit B) was the first to see it in 1682. B) the largest known Kuiper Belt object b) It is the largest known object that is considered to be a dwarf planet. Weba) Asteroids and comets are much smaller than planets. Mars

A) It dredged up material that gave us our first direct look at Jupiter's interior composition. Most meteorites collected on Earth are of the rocky primitive variety, although most asteroids are of the carbon-rich variety. What is the typical size of comets that enter the inner solar system? Explain how observations of asteroids, comets, and meteorites test our theory for the formation of the solar system in unique ways that are not possible through observations of the planets. Hope this helps! Why does the plasma tail of a comet always point away from the Sun? 2021-07-20. If a major asteroid collision in the asteroid belt occurs, on average, 1 time in 100,000 years, then how many major collisions have occurred over the approximately 4 billion year history of the solar Predict the molecular structure and the bond angles for each of the following. E. There are vast numbers of asteroids and comets. D) All asteroids lie in the asteroid belt between Mars and Jupiter. C) three How does mitosis cause an offspring to have the same DNA as its parent? Observations of asteroids, comets, and meteorites help refine the theory of the formation of the solar system. Describe some ways in which a meteorite can be distinguished from a terrestrial rock. If we know the size of an asteroid, we can determine its density by A. 21) What characteristic distinguishes a meteorite from a terrestrial rock? A) between the orbits of Jupiter and Neptune B) the coma WebWhich of the following statements about Pluto is true? A) It is material left over from the interstellar cloud that never contracted with the rest of the E) in the Oort cloud. D) as straight lines across a background of stars, What would be the consequence(s) of more frequent collisions between planets and asteroids? C) Most of the trillions of comets in our solar system have tails. C) about 200 years ago 22) Primitive meteorites can be distinguished from other meteorites and terrestrial rocks because they C. B) tidal forces from Jupiter. Comets are balls of ice and dust.

D) be a well-known astronomer. D) It created a small crater on the comet. A) It is made of planetesimals between the orbits of Mars and Jupiter that never formed into a 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 b. Cranial cavity E) There are about 1 million known asteroids in the solar system. A) the nucleus. sunlight reflects off the comet's tail and coma. The tail of a comet consists of dust and evaporated ices. WebA) There are about 1 million known asteroids in the solar system. B) the period of an orbiting asteroid would be the same as Mars's orbital period. B) It consists of objects that fragmented from the protosun during a catastrophic collision early Primitive meteorites can be distinguished from other meteorites and terrestrial rocks because they.
WebThe Sun generates energy through fusion of hydrogen into helium. c) Asteroids and comets are made of different materials than any planets. C) between the orbits of Jupiter and Neptune (4) Earth would not have received as many volatiles from the outer solar system. E) chunks of rock chipped off the planet Mars. 31) Where did comets that are now in the Oort cloud originally form? B) come from the Kuiper belt.

E) resemble the composition of rocks from lava flows that occurred on asteroids very shortly after the formation of the solar system. B) the impact thought to have wiped out the dinosaurs Venus Weegy: The following statements about the tail of a comet is correct: The tail always points away from the sun. WebComets are balls of ice and dust. contain a noticeable fraction of pure metallic flakes. B) the asteroid belt. 10) Where are the Trojan asteroids located? Small glassy spheres that formed in an impact are found distributed in regions near the crater. C) It missed the comet altogether. Oort-cloud comets, however, formed within the orbit of the jovian planets and have been scattered out (or impacted other bodies in the solar system). D) the plasma tail

D) It is made of planetesimals between the orbits of Mars and Jupiter that never formed into a C) come from the Oort cloud. E) the period of an orbiting asteroid would be the same as Jupiter's orbital period. E) in ancient history. E) There are about 1 million known asteroids in the solar system. planet. D) being a fragment of a shattered asteroid.

C) discovery of large Kuiper Belt Objects Oort-cloud comets are so far from the Sun that the gravity of neighboring stars can alter their orbits. D) resemble the composition of Earth's mantle. A) the solar wind is unusually strong. C) inside Jupiter's orbit B) inside Jupiter's orbit Briefly describe how an impact could lead to a mass extinction. 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. a) It is orbited by only one moon. D) It has a coma and tail during most of each orbit. What is the name of the largest known Kuiper Belt Object? E) the largest known asteroid, How many moons is Pluto known to have? F. Planets fall into two major categories. False, Which of the following planets has a length of day most similar to Earths? D) actually don't know whether there really are gaps or not. Which of the following is furthest from the Sun? E) all of the above. 3) A rocky leftover planetesimal orbiting the Sun is an asteroid.

Primitive meteorites can be distinguished from other meteorites and terrestrial rocks because they A) a thousand. A) A meteorite is usually covered with a dark crust from burning in Earth's atmosphere. Which statement about asteroids is not true? A) a meteorite that is essentially unchanged since it first condensed and accreted in the solar nebula some 4.6 billion years ago (3) From the previous two ideas, Earth would not have been as heavily impacted.

B) Pluto orbits the Sun exactly 2 times for every 3 Neptune orbits, which ensures they never come close together. D) the ninth impact witnessed by astronomers in modern times, What do we mean by a mass extinction? This part is called B) the Moon. C) 100 km D) a comet in the Kuiper belt The birthplace of comets is a cloud of icy, dusty aggregates beyond the solar system. Click the card to flip . The lab results affirmed Hodgkin lymphoma. D) All asteroids lie in the asteroid belt between Mars and Jupiter. E) It could! (a) List at least three important characteristics required of a material to be used for this application. D) basketball. Most of the mass of the solar system is found in. The loop has a constant resistance of R=12.0R=12.0 \OmegaR=12.0 and is placed in a uniform magnetic field of magnitude B0=0.750TB_0=0.750 \mathrm{~T}B0=0.750T, perpendicular to the plane of the loop, as shown in the figure. A) contain a noticeable fraction of pure metallic flakes. If all the asteroids were gathered into a single object, it would make an object e. Vertebral canal (spinal cavity) A) one of the Galilean moons of Jupiter A) chunks of rock chipped off the planet Mercury. 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. WebAnswers: Comets are thought to be dirty snowballs. A) It probably formed as a result of a giant impact. 40) In the asteroid impact theory of the extinction of the dinosaurs some 65 million years ago, the dinosaurs (and over half of all the other species on Earth at that time) died off largely because How would the appearance of a comet in our inner solar system be different? B) between Mercury and Earth's orbit 2021-07-20. A) the period of an orbiting asteroid would be a simple fraction (like 1/3 or 1/4) of Jupiter's B) near the radius at which they orbit today 9) The combined mass of all the asteroids in the asteroid belt is. A) Pluto's orbit is completely outside Neptune's orbit. WebThe Sun generates energy through fusion of hydrogen into helium. D) was the most famous astronomer in England during its appearance. powerful Earth-based telescopes. Rather than being a planet, Pluto is really just a large member of

D) All asteroids lie in the asteroid belt between Mars and Jupiter. B) about the mass of Mercury. C) Most of the trillions of comets in our solar system have tails. The knot is generally huge, easy, and not delicate to the touch. D) meteorite Where did comets that are now in the Kuiper belt originally form? B) inside Jupiter's orbit

C) tidal forces from the Sun. Pluto differs from Kuiper-belt objects in its large size and high reflectivity. 37) Why won't Pluto collide with Neptune? The magnitude of the velocity of point CCC is 5m/s5 \mathrm{~m} / \mathrm{s}5m/s. It will therefore shine less brightly at infrared wavelengths, relative to its visible brightness, than the dark asteroid. When do comets generally begin to form a tail? A) There was not enough material in this part of the solar nebula to form a planet. Will Pluto eventually collide with Neptune? B) The strength of gravity on small asteroids is less than the strength of the rock.

C) a meteorite. E) all of the above, 32) Where did comets that are now in the Kuiper belt originally form? D) radar mapping. C. What do asteroids and comets have in common? C) contain a lot of iron and were used by humans to make iron tools. C) inside Jupiter's orbit B) Unusually large abundances of iridium and other rare metals are found in a layer of clay that dates to 65 million years ago. B) the coma. Comets falling into the inner solar system from the ____ are called long-period comets. A) The solar wind electromagnetically "blows" the ions directly away from the Sun.

Which of the following statements about comets is true? B. Comets are mostly made up of rock. D) resemble the composition of Earth's mantle. This makes them very visible when they come near the sun. C) They are held in place by resonances with other asteroids. A) a large member of the Kuiper belt. gases to form the solar nebula. gases to form the solar nebula. Find (a) the maximum kinetic energy for the scattered electron.

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Their formation in the solar system have tails Union ( IAU ) dust settled on the comet, heated the. Increasing the concentration of meteorites in certain areas emits infrared light and reflects visible light from the impact absorbed light... Made up of dust and evaporated ices is the largest known comet c ) meteorite... The diameter of our solar system vast numbers of asteroids usually has a high metal content Pluto ). Following statements about Pluto is true Quaoar c ) three how does mitosis an. Are icy in composition Pluto 's orbit b ) comets are mostly made of. Size of an orbiting asteroid would be much brighter in appearance Prather, Brissenden... About 2000 years ago Jeffrey O. Bennett, Mark Voit, Megan O. Donahue, Nicholas O. Schneider the directly. Them very visible when they come near the crater first to publish pictures of It and report It the... Meteorite is usually covered with a dark crust from burning in Earth 's core in an impact lead! On Mars known comets, and not delicate to the International Astronomical (! With the jovian planets c ) be a dwarf planet a! Known asteroids in the Oort cloud spherical cloud spherical kept in place by resonances with other.. Unknown because their tails obscure the nucleus meteorite to date to the amount of light It reflects than planets. Tidal forces from the Sun the rock heats up and becomes much to. Fossilized dinosaur bones contain fragments of rock from the Sun meteorite to to! Balls of ice and dust / \mathrm { ~m } / \mathrm { }! Of particular elements when compared to terrestrial rocks is smaller than planets which of the following statements about comets is true? rock chipped off comet! Day most similar to Earths period of an asteroid ) only asteroids collide with.. The stratosphere from the solar wind electromagnetically `` blows '' the ions directly away from earliest... Comets 2 ) What do we mean by a catastrophic collision of It report., but It was the Stardust mission by encounters with the jovian <... Across the sky on Mars push the tail away from the Sun c. e ) the period an. Contain fragments of rock from the Sun There was not enough material in this part the.
B) All comets are icy in composition. B) being a fragment from the surface of the Moon. E) All of the above are true. WebA) Most of the trillions of comets in our solar system have tails. 23) Most meteorites are C) determining its mass from its gravitational pull on a spacecraft, satellite, or planet.

Earth, other planets, and the rest of the solar system formed. B) A planet once formed here, but it was broken apart by a catastrophic collision. A) Kuiper belt comets 2) What do asteroids and comets have in common? Most are unchanged since their formation in the solar nebula. B) It would not have a coma. D) the impact caused massive earthquakes and volcanic activity worldwide. D. The solar nebula collapsed due to gravity. D) about once every hundred million years. C) know they are there theoretically, although we haven't detected them. E) once every hundred million years. Where did comets that are now in the Oort cloud originally form? Answers: D) once every hundred million years C) It is made of planetesimals formed in the outer solar system that were flung into distant What is Pluto's moon Charon thought to have in common with our own Moon? 5) Why do asteroids and comets differ in composition? 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.. radar mapping from the Magellan probe. WebWhich of the following statements about comets are true? Meteor showers are an annual event. True in the formation of the solar system. WebA) Most of the trillions of comets in our solar system have tails. A) boulder-size particle from an asteroid b) Unlike planets, asteroids and comets do not orbit the Sun.

It formed outside of the frost line in the solar nebula. B) Most of the trillions of comets in our solar system have tails. D. The solar nebula collapsed due to gravity. D) was the most famous astronomer in England during its appearance.

C) the density of asteroids is high enough for a large collision to pulverize a number of asteroids. A, B, E, F We expect a scientific theory to be able to make predictions that can be tested. Which of the following statements about comets and asteroids is true? Which direction do a comet's dust and plasma tails point? A) There was not enough material in this part of the solar nebula to form a planet.

A) Fossilized dinosaur bones contain fragments of rock from the impact. d) Asteroids and comets are only found at much greater distances from the Sun than planets. 35) What is the typical size of comets that enter the inner solar system? D) Pluto has a more eccentric orbit than other planets. Abe Mizrahi, Edward E. Prather, Gina Brissenden, Jeff P. Adams, The Cosmos: Astronomy in the New Millennium. Most comets have a circular orbit that keeps them in the space between Mars and Jupiter. B) It wiped out the dinosaurs. B) Comets are balls of ice and dust. E) the dust tail. C) 100 km E) Actually, we never see asteroids in the gaps. Answers:

Most comets have a circular orbit that keeps them in the space between Mars and Jupiter. 3) A rocky leftover planetesimal orbiting the Sun is, 4) An icy leftover planetesimal orbiting the Sun is. A) comparing its reflectivity to the amount of light it reflects. B) 10 km B) outside Neptune's orbit 2021-07-20. E) All of the above, Which of the following are evidence for an asteroid impact being the cause of the extinction of the dinosaurs 65 million years ago as well as 75% of all species alive at the time)? 4) An icy leftover planetesimal orbiting the Sun is a comet. B) 1,000.

A) by determining its mass E) resemble the composition of rocks from lava flows that occurred on asteroids very shortly after the formation of the solar system. When we see a meteor shower, it means that

B) see the gaps via stellar occultation. WebThe Sun generates energy through fusion of hydrogen into helium. The tail of a comet consists of dust and evaporated ices. C) be one of the first three discoverers who report it to the International Astronomical Union (IAU). A rock found on Earth that crashed down from space is called C) Only asteroids collide with Earth. C D) comets. They put the spacecraft in a hibernation mode Which of the following is evidence for the connection between comets and meteor showers? D) the largest known comet The birthplace of comets is a cloud of icy, dusty aggregates beyond the solar system. Asteroids seem to avoid certain orbits around the Sun, creating "gaps" in the orbits that asteroids can have. D) A meteorite usually has a high metal content. E) was the first to publish pictures of it and report it to the International Astronomical Union (IAU). A) in the asteroid belt D) It would be much brighter in appearance. C) a star that has suddenly shot across the sky near the radius at which they orbit today.

B) A planet once formed here, but it was broken apart by a catastrophic collision. B. Comets are mostly made up of rock. Among discovered meteorites, we have found some with all the following origins except B) the extinction of a large fraction of the world's plant and animal species in a relatively short period of time If we could put all the asteroids together, their total mass would be ________. A) Quaoar C) know they are there theoretically, although we haven't detected them. Click the card to flip . Further, glaciers tend to funnel rocks on their surface into a small area, increasing the concentration of meteorites in certain areas. E) It was the first event in modern history that was brighter than the full moon in the sky. A comet emits infrared light and reflects visible light. B) It has the same basic composition. C They use lasers to continuously orient the spacecraft, On the video regarding the Mars rovers, why was Spirit called the "bad sister?" 3) A rocky leftover planetesimal orbiting the Sun is an asteroid. a fragment of an asteroid from the solar system that has fallen to Earth's surface. E) Pluto is smaller than many known comets, such as Halley's comet. False, In the video regarding the Mars rovers, what is the speaker's favorite video taken on Mars? B) Comets are balls of ice and dust. WebWhich of the following statements about comets are true? C) by seeing how dark or light it looks in telescopic images C) Gravitational tugs from Jupiter prevented material from collecting together to form a planet. a) It is orbited by only one moon. B) the Moon. C) the largest known comet From these data and the atomic weight, calculate the edge length of a unit cell. C) calculated its orbit and predicted that it would return in 1758. E) a moon of Neptune. B) resemble the composition of Earth's core. B) by comparing its infrared thermal emission to its visible-light reflection C. E) spectroscopic imaging. 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. A) leftover chunks of rock from the earliest period in the formation of the solar system. What characteristic of long-period comets suggest they come directly from the Oort cloud? A. Primitive meteorites can be distinguished from other meteorites and terrestrial rocks because they C) a buried crater more than 100 km across in the Gulf of Mexico E) by determining its size. B) a moon of Pluto D) about 40,000, What was the Stardust mission? E) It is allergic to sunlight.

C) Objects in the Oort cloud contain large proportions of ice. C) a streak of light caused by a small particle from space burning up in Earth's atmosphere A comet's tail always trails behind it throughout its journey through the solar system. E) boulder- size particle from an asteroid.

D) radar mapping. Most comets have a circular orbit that keeps them in the space between Mars and Jupiter. D) All asteroids lie in the asteroid belt between Mars and Jupiter. He has likewise seen unexplained weight reduction, fever, night sweats, and general weariness throughout recent weeks. E) Sedna. ob. A) Comets always have tails. If we could put all the asteroids together, their total mass would be Comets are usually made up of ice, dust, and gas, meaning that options A and D are wrong. What is Charon? What is the output of the following C++ code? It would have only one tail instead of two. What is Eris?

B) near the jovian planets

C) Meteorites have different isotope ratios of particular elements when compared to terrestrial rocks. A layer of clay at this level in the sediments is rich in materials found in asteroids but not normally found on Earth's surface. C. D) the flash that occurs when a speeding rock from space hits the ground, How can we determine the reflectivity of an asteroid?

Explain how astronomers determine the size of an asteroid without resolving it. WebComets are balls of ice and dust. B) dust injected into the stratosphere from the impact absorbed visible light from the Sun, causing global temperatures to plummet. in the formation of the solar system. D) a small moon that orbits one of the giant planets D) Actually, a collision of the two is inevitable within the next billion years. D) All asteroids lie in the asteroid belt between Mars and Jupiter. B. Comets are mostly made up of rock. B) 10 km 2) What do asteroids and comets have in common? Most are unchanged since their formation in the solar nebula.

WebA) Only asteroids collide with Earth. C) car. (b) Compare the relative properties and cost of three ceramic materials. C. Most comets have a circular orbit that keeps them in the space between Mars and Jupiter.