Question 1

Pluto is visible to the naked eye on extremely dark nights.

Accepted Answer

A) True 
 B)False

Question 2

The lakes of Titan consist of liquid .

Accepted Answer

ethane, me...

Question 3

In what way could the Huygens probe be considered a first?

Accepted Answer

It made the first su...

Question 4

The orbit of Triton is , very different from all other major moons.

Accepted Answer

retrograde...

Question 5

Pluto has only a single moon, Charon.

Accepted Answer

A) True 
 B)False

Question 6

The large, dark mare on Ganymede were created by water that erupted from within the moon.

Accepted Answer

A) True 
 B)False

Question 7

The particles in Saturn's E ring probably come from volcanic eruptions on Enceladus.

Accepted Answer

A) True 
 B)False

Question 8

The grooves and ridges on Ganymede are thought to

Accepted Answer

A)   be due to the moon's rapid rotation.
B)   be due to crustal tectonics motion (plate tectonics) .
C)   have formed within the last thousand years.
D)   be part of an ongoing volcanic process.
E)   have grown considerably larger since the Voyager spacecraft discovered them.

Question 9

Titan's surface has been mapped using Earth based visual telescopes.

Accepted Answer

A) True 
 B)False

Question 10

Spacecraft have imaged erupting volcanoes on Io and Triton.

Accepted Answer

A) True 
 B)False

Question 11

Besides Mars, exobiologists find Europa also a good candidate for life.

Accepted Answer

A) True 
 B)False

Question 12

A moon with a smooth, uncratered surface would imply

Accepted Answer

A)   the moon lies within the planet's Roche Limit.
B)   a strong magnetic field surrounds the moon.
C)   the surface is completely liquid.
D)   the surface is very young.
E)   meteorites have never struck the moon.

Question 13

Based on our current knowledge of the motions of Uranus and Neptune, it is obvious that Pluto's discovery was a triumph of physics, on par with Adams and Leverrier's work in finding Neptune.

Accepted Answer

A) True 
 B)False

Question 14

The atmosphere of Titan is chiefly

Accepted Answer

A)   nitrogen.
B)   ammonia.
C)   oxygen.
D)   hydrogen.
E)   methane.

Question 15

What is thought to be the cause of Io's volcanoes?

Accepted Answer

A)   solar radiation focused by Jupiter's gravity
B)   energy emitted by Jupiter
C)   Jupiter's magnetosphere and its charged particles
D)   radioactive decay in Io's interior
E)   gravitational tidal stresses from both Jupiter and Europa

Question 16

The surface of Saturn's moon Enceladus is the most reflective of any in the solar system, suggesting very fresh ice is exposed.

Accepted Answer

A) True 
 B)False

Question 17

Name three ways that Saturn's ring system is unique.

Accepted Answer

It contains a lot more debris than all t...

Question 18

Pluto is smaller than many moons in the solar system.

Accepted Answer

A) True 
 B)False

Question 19

What is the smallest of the Galilean moons? Why is it then the brightest?

Accepted Answer

Europa has a very yo...

Question 20

Why does the surface of Triton appear so young?

Accepted Answer

When this KBO was trapped into orbit aro...

Exam 9: Moons, Rings, and Plutoids: Small Worlds Among Giants

Based on our current knowledge of the motions of Uranus and Neptune, it is obvious that Pluto's discovery was a triumph of physics, on par with Adams and Leverrier's work in finding Neptune.

Correct AnswerverifiedShow Answer

Besides Mars, exobiologists find Europa also a good candidate for life.

Correct AnswerverifiedShow Answer

What is the smallest of the Galilean moons? Why is it then the brightest?

Correct AnswerverifiedEuropa has a very yo...View AnswerShow Answer

Why does the surface of Triton appear so young?

Correct AnswerverifiedWhen this KBO was trapped into orbit aro...View AnswerShow Answer

A moon with a smooth, uncratered surface would imply

Correct AnswerverifiedShow Answer

Pluto has only a single moon, Charon.

Correct AnswerverifiedShow Answer

In what way could the Huygens probe be considered a first?

Correct AnswerverifiedIt made the first su...View AnswerShow Answer

Name three ways that Saturn's ring system is unique.

Correct AnswerverifiedIt contains a lot more debris than all t...View AnswerShow Answer

The grooves and ridges on Ganymede are thought to

Correct AnswerverifiedShow Answer

The orbit of Triton is , very different from all other major moons.

Correct Answerverifiedretrograde...View AnswerShow Answer

Spacecraft have imaged erupting volcanoes on Io and Triton.

Correct AnswerverifiedShow Answer

The atmosphere of Titan is chiefly

Correct AnswerverifiedShow Answer

What is thought to be the cause of Io's volcanoes?

Correct AnswerverifiedShow Answer

The lakes of Titan consist of liquid .

Correct Answerverifiedethane, me...View AnswerShow Answer

Pluto is smaller than many moons in the solar system.

Correct AnswerverifiedShow Answer

Pluto is visible to the naked eye on extremely dark nights.

Correct AnswerverifiedShow Answer

The large, dark mare on Ganymede were created by water that erupted from within the moon.

Correct AnswerverifiedShow Answer

Titan's surface has been mapped using Earth based visual telescopes.

Correct AnswerverifiedShow Answer

The surface of Saturn's moon Enceladus is the most reflective of any in the solar system, suggesting very fresh ice is exposed.

Correct AnswerverifiedShow Answer

The particles in Saturn's E ring probably come from volcanic eruptions on Enceladus.

Correct AnswerverifiedShow Answer

Correct Answer
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Europa has a very yo...
View Answer

Correct Answer
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When this KBO was trapped into orbit aro...
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Correct Answer
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Correct Answer
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Correct Answer
verified
It made the first su...
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Correct Answer
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It contains a lot more debris than all t...
View Answer

Correct Answer
verified

Correct Answer
verified
retrograde...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
ethane, me...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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