Question 1

Shepherd satellites keep Saturn's F ring narrow.

Accepted Answer

A) True 
 B)False

Question 2

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

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

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

Accepted Answer

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

Question 5

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

Question 6

Jupiter radiates less heat than it absorbs from the sun.

Accepted Answer

A) True 
 B)False

Question 7

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 8

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 9

Saturn's rings are composed of icy particles.

Accepted Answer

A) True 
 B)False

Question 10

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. 
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 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

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. 
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 13

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

Question 14

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

Question 15

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

Accepted Answer

A) True 
 B)False

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. 
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

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

Question 18

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 
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 19

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

Accepted Answer

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

Question 20

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

Shepherd satellites keep Saturn's F ring narrow.

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

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

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

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.

Jupiter radiates less heat than it absorbs from the sun.

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

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

Saturn's rings are composed of icy particles.

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

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?

Saturn's atmosphere

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?

In terms of mass, Jupiter is made mostly of

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

Europa has few craters because

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

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

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

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 __.

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

The Origin of the Solar System

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus and Mars

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

Exam 18: The Outer Solar System

Shepherd satellites keep Saturn's F ring narrow.

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

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

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

____ 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.

Jupiter radiates less heat than it absorbs from the sun.

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

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

Saturn's rings are composed of icy particles.

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

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?

Saturn's atmosphere

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?

In terms of mass, Jupiter is made mostly of

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

Europa has few craters because

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

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

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

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 ______.

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

The Origin of the Solar System

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus and Mars

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

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.

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 __.