Question 1

How do the atmospheres of terrestrial worlds compare with the jovians?

Accepted Answer

The jovian atmospheres are ric...

Question 2

Relate meteor showers to comets; explain why most are annual events.

Accepted Answer

When the Earth hits debris left behind b...

Question 3

The most detailed look we've had of an asteroid comes from

Accepted Answer

A)   ground- based radar images.
B)   Earth orbital X- ray images.
C)   spacecraft sent to an asteroid.
D)   high- altitude UV spectroscopy.
E)   ground- based optical images.F) A) and C)
G) None of the above

Question 4

Why do we expect other solar systems to be common?

Accepted Answer

According to the Solar Nebula theory, th...

Question 5

All the terrestrial planets lie inside the asteroid belt.

Accepted Answer

A) True 
 B)False

Question 6

Long- period comets are believed to originally come from

Accepted Answer

A)   the Kuiper belt.
B)   the asteroid belt.
C)   the interstellar medium.
D)   the satellite system of Jupiter.
E)   the Oort cloud.F) B) and D)
G) A) and D)

Question 7

If a comet's ion tail is pointing perpendicular to its direction of travel, the comet is

Accepted Answer

A)   moving closer to the Sun.
B)   close to or at perihelion.
C)   close to or at aphelion.
D)   moving away from the Sun.
E)   A comet's tail never points perpendicular to its motion.F) B) and D)
G) None of the above

Question 8

All planets lie in orbits close to the plane.

Accepted Answer

The answer of All planets lie in orbits close to...

Question 9

Any successful model for the formation of the solar system must explain why the orbits of the planets have low eccentricities.

Accepted Answer

A) True 
 B)False

Question 10

How do many of the jovian- type extrasolar planets seem to defy portions of the solar nebula theory? How can this perhaps be reconciled?

Accepted Answer

The solar nebula theory predicts the Sun...

Question 11

Which of the following are the jovian planets?

Accepted Answer

A)   everything past Mars and the asteroid belt
B)   only Jupiter and Saturn
C)   Jupiter, Saturn, Uranus, and Neptune only
D)   Jupiter, Saturn, Uranus, Neptune, and Pluto
E)   only JupiterF) A) and C)
G) D) and E)

Question 12

As a rotating gas cloud contracts, it spins faster.

Accepted Answer

A) True 
 B)False

Question 13

As the solar nebula contracts, it

Accepted Answer

A)   loses angular momentum.
B)   cools due to condensation.
C)   flattens out into the ecliptic plane around the Sun's poles.
D)   reverses its direction of rotation.
E)   spins faster due to conservation of angular momentum.F) C) and E)
G) A) and E)

Question 14

What support for the solar nebula theory has come from observations of nearby young stars?

Accepted Answer

Many show dusty disks, with large infrar...

Question 15

Contrast the orbits of asteroids and Kuiper Belt bodies.

Accepted Answer

Both types stay close to the e...

Question 16

The only planet with no atmosphere of consequence is

Accepted Answer

A)   Mars.
B)   Venus.
C)   Mercury.
D)   Earth.
E)   Pluto.F) A) and C)
G) None of the above

Question 17

What is the role of dust in the condensation theory?

Accepted Answer

Dust provides the co...

Question 18

All the planets revolve around the Sun in the same direction, except for Venus and Uranus.

Accepted Answer

A) True 
 B)False

Question 19

Meteorites are important because

Accepted Answer

A)   they contain pristine material from the solar nebula.
B)   some come from the Moon and Mars, as well as the asteroid belt.
C)   large ones may cause mass extinctions.
D)   All of the above are true.
E)   None of the above is true.F) A) and B)
G) A) and C)

Question 20

All the planet's orbits are evenly spaced.

Accepted Answer

A) True 
 B)False

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

The most detailed look we've had of an asteroid comes from

Correct AnswerverifiedShow Answer

All the planets revolve around the Sun in the same direction, except for Venus and Uranus.

Correct AnswerverifiedShow Answer

All planets lie in orbits close to the plane.

Correct AnswerverifiedShow Answer

What is the role of dust in the condensation theory?

Correct AnswerverifiedDust provides the co...View AnswerShow Answer

Relate meteor showers to comets; explain why most are annual events.

Correct AnswerverifiedWhen the Earth hits debris left behind b...View AnswerShow Answer

Meteorites are important because

Correct AnswerverifiedShow Answer

How do the atmospheres of terrestrial worlds compare with the jovians?

Correct AnswerverifiedThe jovian atmospheres are ric...View AnswerShow Answer

What support for the solar nebula theory has come from observations of nearby young stars?

Correct AnswerverifiedMany show dusty disks, with large infrar...View AnswerShow Answer

The only planet with no atmosphere of consequence is

Correct AnswerverifiedShow Answer

All the planet's orbits are evenly spaced.

Correct AnswerverifiedShow Answer

Any successful model for the formation of the solar system must explain why the orbits of the planets have low eccentricities.

Correct AnswerverifiedShow Answer

Long- period comets are believed to originally come from

Correct AnswerverifiedShow Answer

Why do we expect other solar systems to be common?

Correct AnswerverifiedAccording to the Solar Nebula theory, th...View AnswerShow Answer

Which of the following are the jovian planets?

Correct AnswerverifiedShow Answer

As a rotating gas cloud contracts, it spins faster.

Correct AnswerverifiedShow Answer

How do many of the jovian- type extrasolar planets seem to defy portions of the solar nebula theory? How can this perhaps be reconciled?

Correct AnswerverifiedThe solar nebula theory predicts the Sun...View AnswerShow Answer

Contrast the orbits of asteroids and Kuiper Belt bodies.

Correct AnswerverifiedBoth types stay close to the e...View AnswerShow Answer

As the solar nebula contracts, it

Correct AnswerverifiedShow Answer

If a comet's ion tail is pointing perpendicular to its direction of travel, the comet is

Correct AnswerverifiedShow Answer

All the terrestrial planets lie inside the asteroid belt.

Correct AnswerverifiedShow Answer

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Dust provides the co...
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When the Earth hits debris left behind b...
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The jovian atmospheres are ric...
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Many show dusty disks, with large infrar...
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According to the Solar Nebula theory, th...
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The solar nebula theory predicts the Sun...
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Both types stay close to the e...
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