Question 1

The rings of Uranus were discovered by the Voyager 2 spacecraft.

Accepted Answer

A) True 
 B)False

Question 2

What evidence do we have that volcanism occurs on Io? on Europa? on Enceladus?

Accepted Answer

Io, Europa, and Enceladus are three of t...

Question 3

Jupiter radiates less heat than it absorbs from the sun.

Accepted Answer

A) True 
 B)False

Question 4

Which of these wins the prize as the blandest appearing planet as revealed visually by space probes?

Accepted Answer

A)   Jupiter
B)   Saturn
C)   Uranus
D)   Neptune

Question 5

Shepherd satellites keep Saturn's F ring narrow.

Accepted Answer

A) True 
 B)False

Question 6

As a moon in a very elliptical orbit moves closer to and then farther from a planet, gravity flexes the moon with tides, and friction heats the interior. This process is referred to as

Accepted Answer

A)   tidal heating.
B)   occultation.
C)   vaporization.
D)   differentiation.
E)   sublimation.

Question 7

____ in Saturn's rings is/are produced by the gravitational interaction of Mimas with the particles in the rings and appears as a large ____ in the rings.

Accepted Answer

A)   Cassini's division; gap
B)   Cassini's division; clump
C)   Moons; gap
D)   Moons; clump

Question 8

Jupiter's ring is composed of particles of frozen ice.

Accepted Answer

A) True 
 B)False

Question 9

The rings of ____________________ were discovered when they occulted a star.

Accepted Answer

The answer of The rings of ____________________ were discovered when...

Question 10

In terms of mass, Jupiter is made mostly of

Accepted Answer

A)   rock.
B)   molten iron.
C)   water.
D)   hydrogen and helium.
E)   carbon dioxide.

Question 11

Titan is smaller in mass and somewhat larger in size than the planet Mercury. How can Titan keep a substantial atmosphere while Mercury is virtually airless?

Accepted Answer

The answer of Titan is smaller in mass and somewhat...

Question 12

Jupiter's shape is ____________________ because it is rotating rapidly and has a low density.

Accepted Answer

The answer of Jupiter's shape is ____________________ because it is...

Question 13

Saturn's rings are composed of icy particles.

Accepted Answer

A) True 
 B)False

Question 14

Which moon of the Jovian planets has a thick, hazy atmosphere?

Accepted Answer

A)   Io
B)   Triton
C)   Europa
D)   Titan

Question 15

Some narrow rings of Saturn are seen in space probe photos to be caused by

Accepted Answer

A)   gravitational interactions between ring particles.
B)   a spiral density wave which confines them.
C)   the magnetic field which holds them in place.
D)   small shepherd moons that orbit inside and outside the rings

Question 16

Europa has few craters because

Accepted Answer

A)   it is protected from impacts by Jupiter's gravity.
B)   it does not have a solid surface.
C)   it has erased craters nearly as fast as they have formed.
D)   its surface is not strong enough to support craters.
E)   it keeps one face always pointed toward Jupiter which screens it from incoming meteorites.

Question 17

The reddish particles in Jupiter's ring are less than 1 percent as reflective as Saturn's whiter particles. Saturn's ring particles are thought to be ____while Jupiters are thought to be ______.

Accepted Answer

A)   icy; rocky
B)   rocky; icy
C)   icy; also icy
D)   rocky; also rocky

Question 18

The magnetic fields of Uranus and Neptune are peculiar in that they are

Accepted Answer

A)   highly inclined to their planet's axis of rotation.
B)   very weak (virtually zero) .
C)   produced by the solar wind.
D)   produced by disturbances caused by the orbits of the moons.
E)   all of the above.

Question 19

Saturn's atmosphere

Accepted Answer

A)   has more distinctive zones and belts than Jupiter's.
B)   is rich in free oxygen.
C)   is hazy above the clouds.
D)   is all of the above.
E)   is none of the above.

Question 20

Which of the following objects may have organic particles on its surface as a result of the interaction of sunlight with methane in its upper atmosphere?

Accepted Answer

A)   Io
B)   Titan
C)   Mimas
D)   Ganymede
E)   Callisto

Exam 18: The Outer Solar System

The magnetic fields of Uranus and Neptune are peculiar in that they are

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Which of these wins the prize as the blandest appearing planet as revealed visually by space probes?

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Which of the following objects may have organic particles on its surface as a result of the interaction of sunlight with methane in its upper atmosphere?

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Saturn's rings are composed of icy particles.

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The reddish particles in Jupiter's ring are less than 1 percent as reflective as Saturn's whiter particles. Saturn's ring particles are thought to be ____while Jupiters are thought to be ______.

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____ in Saturn's rings is/are produced by the gravitational interaction of Mimas with the particles in the rings and appears as a large ____ in the rings.

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In terms of mass, Jupiter is made mostly of

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The rings of Uranus were discovered by the Voyager 2 spacecraft.

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Jupiter's ring is composed of particles of frozen ice.

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What evidence do we have that volcanism occurs on Io? on Europa? on Enceladus?

Correct AnswerAnswered by ExamLex AIIo, Europa, and Enceladus are three of t...View AnswerShow Answer

Shepherd satellites keep Saturn's F ring narrow.

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Some narrow rings of Saturn are seen in space probe photos to be caused by

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Saturn's atmosphere

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Titan is smaller in mass and somewhat larger in size than the planet Mercury. How can Titan keep a substantial atmosphere while Mercury is virtually airless?

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Europa has few craters because

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As a moon in a very elliptical orbit moves closer to and then farther from a planet, gravity flexes the moon with tides, and friction heats the interior. This process is referred to as

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Which moon of the Jovian planets has a thick, hazy atmosphere?

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Jupiter's shape is ____________________ because it is rotating rapidly and has a low density.

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The rings of ____________________ were discovered when they occulted a star.

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Jupiter radiates less heat than it absorbs from the sun.

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The reddish particles in Jupiter's ring are less than 1 percent as reflective as Saturn's whiter particles. Saturn's ring particles are thought to be while Jupiters are thought to be __.

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in Saturn's rings is/are produced by the gravitational interaction of Mimas with the particles in the rings and appears as a large in the rings.

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Io, Europa, and Enceladus are three of t...
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