Question 1

Why do Uranus and Neptune appear blue or blue-green?

Accepted Answer

A) Their atmospheres absorb blue light very efficiently. 
B) Their solid airless surfaces are this colour. 
C) Their surfaces are covered with liquid water with no atmosphere. 
D) Traces of methane in their atmospheres absorb red light very efficiently. 
A) Their atmospheres absorb blue light very efficiently. 
B) Their solid airless surfaces are this colour. 
C) Their surfaces are covered with liquid water with no atmosphere. 
D) Traces of methane in their atmospheres absorb red light very efficiently.

Question 2

Why do Uranus and Neptune contain no liquid metallic hydrogen?

Accepted Answer

A) They are not massive enough. 
B) They contain mostly helium. 
C) They are too far from the Sun. 
D) Their magnetic fields are much too weak. 
A) They are not massive enough. 
B) They contain mostly helium. 
C) They are too far from the Sun. 
D) Their magnetic fields are much too weak.

Question 3

In what way are Saturn's F ring and the rings of Uranus similar?

Accepted Answer

A) They are made of dark material. 
B) They are made of icy material. 
C) They show well-defined spokes. 
D) They are very narrow. 
A) They are made of dark material. 
B) They are made of icy material. 
C) They show well-defined spokes. 
D) They are very narrow.

Question 4

What phenomenon causes Jupiter and Saturn to emit more heat than they absorb from the Sun?

Accepted Answer

A) radioactive decay in their liquid metallic hydrogen cores 
B) nuclear fusion of hydrogen to helium in their liquid metallic hydrogen cores 
C) heat left over from their formation 
D) heat generated by the impact of meteorites in their atmospheres 
A) radioactive decay in their liquid metallic hydrogen cores 
B) nuclear fusion of hydrogen to helium in their liquid metallic hydrogen cores 
C) heat left over from their formation 
D) heat generated by the impact of meteorites in their atmospheres

Question 5

What observations suggest that Triton has had an active crust?

Accepted Answer

The answer of What observations suggest that Triton has had...

Question 6

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 7

Nereid's orbit is peculiar in that it is highly elliptical.

Accepted Answer

A) True 
 B)False

Question 8

As a moon in a very elliptical orbit moves closer to and then farther away from a planet,gravity flexes the moon with tides,and friction heats the interior.What is this process called?

Accepted Answer

A) tidal heating 
B) occultation 
C) vaporization 
D) differentiation 
A) tidal heating 
B) occultation 
C) vaporization 
D) differentiation

Question 9

Which of these is (are)aligned with the orbital plane of Uranus?

Accepted Answer

A) Uranus's poles 
B) the orbital planes of Uranus's major satellites 
C) the orbital plane of Uranus's rings 
D) Uranus's equator 
A) Uranus's poles 
B) the orbital planes of Uranus's major satellites 
C) the orbital plane of Uranus's rings 
D) Uranus's equator

Why do Uranus and Neptune appear blue or blue-green?

Why do Uranus and Neptune contain no liquid metallic hydrogen?

In what way are Saturn's F ring and the rings of Uranus similar?

What phenomenon causes Jupiter and Saturn to emit more heat than they absorb from the Sun?

What observations suggest that Triton has had an active crust?

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

Nereid's orbit is peculiar in that it is highly elliptical.

As a moon in a very elliptical orbit moves closer to and then farther away from a planet,gravity flexes the moon with tides,and friction heats the interior.What is this process called?

Which of these is (are)aligned with the orbital plane of Uranus?

The Scale of the Cosmos

User's Guide to the Sky

The Origin of Modern Astronomy

Astronomical Telescopes and Instruments

Sun Light and Sun Atoms

The Family of Stars

The Structure and Formation of Stars

The Deaths of Stars

The Milky Way Galaxy

Galaxies

Cosmology in the 21st Century

The Origin of the Solar System

Comparative Planetology of the Terrestrial Planets

Life on Other Worlds

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Exam 14: Comparative Planetology of the Jovian Planets

Why do Uranus and Neptune appear blue or blue-green?

Why do Uranus and Neptune contain no liquid metallic hydrogen?

In what way are Saturn's F ring and the rings of Uranus similar?

What phenomenon causes Jupiter and Saturn to emit more heat than they absorb from the Sun?

What observations suggest that Triton has had an active crust?

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

Nereid's orbit is peculiar in that it is highly elliptical.

As a moon in a very elliptical orbit moves closer to and then farther away from a planet,gravity flexes the moon with tides,and friction heats the interior.What is this process called?

Which of these is (are)aligned with the orbital plane of Uranus?

The Scale of the Cosmos

User's Guide to the Sky

The Origin of Modern Astronomy

Astronomical Telescopes and Instruments

Sun Light and Sun Atoms

The Family of Stars

The Structure and Formation of Stars

The Deaths of Stars

The Milky Way Galaxy

Galaxies

Cosmology in the 21st Century

The Origin of the Solar System

Comparative Planetology of the Terrestrial Planets

Life on Other Worlds

Filters