Question 1

The Belt bodies orbit beyond Neptune, but like the planets stay close to the ecliptic plane and in fairly circular orbits.

Accepted Answer

The answer of The Belt bodies orbit beyond Neptune, but...

Question 2

In terms of composition,

Accepted Answer

A)   all planets are condensed from the same nebula and have similar compositions.
B)   the Sun is unique, made of nothing but hydrogen and helium.
C)   the jovian planets are more like the Sun than are the terrestrials.
D)   the jovian planets are made only of ice, and the terrestrials only of rock.
E)   the terrestrials are more like the Sun, since they formed close to it.F) C) and D)
G) All of the above

Question 3

Most of the planets found orbiting other stars are similar to Jupiter, but in temperature.

Accepted Answer

The answer of Most of the planets found orbiting other...

Question 4

The NEAR spacecraft actually landed on the asteroid in February 2001.

Accepted Answer

A)   Vesta
B)   Ida
C)   Eros
D)   Ceres
E)   ItokawaF) A) and B)
G) C) and D)

Question 5

The Oort Cloud lies closer to the Sun than the Kuiper Belt.

Accepted Answer

A) True 
 B)False

Question 6

What observation of extrasolar planetary systems provides strong confirmation of the condensation theory?

Accepted Answer

Stars having compositions simi...

Question 7

What evidence is there that Earth has been struck by large meteorites?

Accepted Answer

There are numerous craters still visible...

Question 8

A rocky body between the orbits of Mars and Jupiter is a(n)

Accepted Answer

A)   asteroid.
B)   meteor.
C)   comet.
D)   meteoroid.
E)   meteorite.F) C) and D)
G) A) and B)

Question 9

Exoplanets having masses between 2 and 10 Earth masses are called .

Accepted Answer

The answer of Exoplanets having masses between 2 and 10...

Question 10

Which of the following have an icy composition?

Accepted Answer

A)   comets
B)   meteoroids
C)   the surface of Mars
D)   most asteroids
E)   meteorites and most asteroidsF) A) and C)
G) A) and D)

Question 11

Suppose an extrasolar planet's orbit around its star is edge- on to our line of sight. How is it detected, and what information can be obtained in this case?

Accepted Answer

Because the planet passes directly in fr...

Question 12

A body in orbit about a planet is a(n) .

Accepted Answer

The answer of A body in orbit about a planet...

Question 13

Name three properties of the solar nebula still seen in planet orbits.

Accepted Answer

The planets still orbit in the common co...

Question 14

How does the Solar Nebula theory explain the formation and orbital properties of planets?

Accepted Answer

As the gas cloud contracts, it spins fas...

Question 15

How do most of the new solar systems we've discovered compare to our own?

Accepted Answer

So far they are known to mostl...

Question 16

Which of these bodies are most likely to break up over time?

Accepted Answer

A)   jovian satellites
B)   asteroids in the main belt
C)   comet nuclei
D)   Trojan asteroids
E)   Kuiper Belt bodiesF) None of the above
G) C) and E)

Question 17

Why don't we see very many low- mass exoplanets?

Accepted Answer

This is an example of selectio...

Question 18

Describe the orbits of the Trojan asteroids.

Accepted Answer

They move in Jupiter...

Question 19

Comet orbits all have _ eccentricity compared to the asteroids.

Accepted Answer

The answer of Comet orbits all have _ eccentricity compared...

Question 20

Describe two ways of detecting extrasolar planets.

Accepted Answer

Most are found by their gravity pulling ...

Exam 5: The Solar System: Interplanetary Matter and the Birth of the Planets

Why don't we see very many low- mass exoplanets?

Correct AnswerverifiedThis is an example of selectio...View AnswerShow Answer

Suppose an extrasolar planet's orbit around its star is edge- on to our line of sight. How is it detected, and what information can be obtained in this case?

Correct AnswerverifiedBecause the planet passes directly in fr...View AnswerShow Answer

A body in orbit about a planet is a(n) .

Correct AnswerverifiedShow Answer

Describe two ways of detecting extrasolar planets.

Correct AnswerverifiedMost are found by their gravity pulling ...View AnswerShow Answer

Most of the planets found orbiting other stars are similar to Jupiter, but in temperature.

Correct AnswerverifiedShow Answer

Name three properties of the solar nebula still seen in planet orbits.

Correct AnswerverifiedThe planets still orbit in the common co...View AnswerShow Answer

The NEAR spacecraft actually landed on the asteroid in February 2001.

Correct AnswerverifiedShow Answer

Exoplanets having masses between 2 and 10 Earth masses are called .

Correct AnswerverifiedShow Answer

Describe the orbits of the Trojan asteroids.

Correct AnswerverifiedThey move in Jupiter...View AnswerShow Answer

Which of these bodies are most likely to break up over time?

Correct AnswerverifiedShow Answer

The Oort Cloud lies closer to the Sun than the Kuiper Belt.

Correct AnswerverifiedShow Answer

In terms of composition,

Correct AnswerverifiedShow Answer

What evidence is there that Earth has been struck by large meteorites?

Correct AnswerverifiedThere are numerous craters still visible...View AnswerShow Answer

What observation of extrasolar planetary systems provides strong confirmation of the condensation theory?

Correct AnswerverifiedStars having compositions simi...View AnswerShow Answer

Which of the following have an icy composition?

Correct AnswerverifiedShow Answer

How does the Solar Nebula theory explain the formation and orbital properties of planets?

Correct AnswerverifiedAs the gas cloud contracts, it spins fas...View AnswerShow Answer

Comet orbits all have _ eccentricity compared to the asteroids.

Correct AnswerverifiedShow Answer

A rocky body between the orbits of Mars and Jupiter is a(n)

Correct AnswerverifiedShow Answer

How do most of the new solar systems we've discovered compare to our own?

Correct AnswerverifiedSo far they are known to mostl...View AnswerShow Answer

The Belt bodies orbit beyond Neptune, but like the planets stay close to the ecliptic plane and in fairly circular orbits.

Correct AnswerverifiedShow Answer

Correct Answer
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This is an example of selectio...
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Because the planet passes directly in fr...
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Most are found by their gravity pulling ...
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The planets still orbit in the common co...
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They move in Jupiter...
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There are numerous craters still visible...
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Stars having compositions simi...
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As the gas cloud contracts, it spins fas...
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Correct Answer
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So far they are known to mostl...
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