Question 1

Though Titan's mass is small,it is able to retain an atmosphere because

Accepted Answer

A)  it is very cold. 
B)  it is very dense. 
C)  it rotates very slowly. 
D)  it attracts gas from the solar wind. 
E)  it has a very strong magnetic field. 
A)  it is very cold. 
B)  it is very dense. 
C)  it rotates very slowly. 
D)  it attracts gas from the solar wind. 
E)  it has a very strong magnetic field. A

Question 2

Jupiter radiates less heat than it absorbs from the sun.

Accepted Answer

A) True 
 B)False  False

Question 3

Spokes in Saturn's rings are peculiar because

Accepted Answer

A)  they should freeze out very quickly. 
B)  differential rotation should erase them quickly. 
C)  the solar wind should blow small particles away. 
D)  the magnetic field should prevent such features from forming. 
E)  they are found only in the inner most ring. 
A)  they should freeze out very quickly. 
B)  differential rotation should erase them quickly. 
C)  the solar wind should blow small particles away. 
D)  the magnetic field should prevent such features from forming. 
E)  they are found only in the inner most ring. B

Question 4

Jupiter's interior is mostly liquid helium.

Accepted Answer

A) True 
 B)False

Question 5

Liquid metallic hydrogen

Accepted Answer

A)  is found in the upper atmosphere of Saturn. 
B)  is believed to exist on the surface of Titan. 
C)  is believed to exist on Io. 
D)  does not conduct electricity very well. 
E)  none of the above 
A)  is found in the upper atmosphere of Saturn. 
B)  is believed to exist on the surface of Titan. 
C)  is believed to exist on Io. 
D)  does not conduct electricity very well. 
E)  none of the above

Question 6

The surfaces of old icy satellites of Saturn

Accepted Answer

A)  appear dark in color with few impact craters. 
B)  appear dark in color with many impact craters. 
C)  appear very bright because ice is very reflective. 
D)  generally show long bright grooves and a modest number of impact craters. 
E)  generally have small volcanoes that are active. 
A)  appear dark in color with few impact craters. 
B)  appear dark in color with many impact craters. 
C)  appear very bright because ice is very reflective. 
D)  generally show long bright grooves and a modest number of impact craters. 
E)  generally have small volcanoes that are active.

Question 7

The excess heat produced by Saturn is the result of

Accepted Answer

A)  nuclear reactions in the liquid metallic hydrogen core. 
B)  radioactive decay. 
C)  hot molten lava rising to the surface. 
D)  the planet's continual slow contraction. 
E)  the large number of meteorite and comet impacts that occur each year. 
A)  nuclear reactions in the liquid metallic hydrogen core. 
B)  radioactive decay. 
C)  hot molten lava rising to the surface. 
D)  the planet's continual slow contraction. 
E)  the large number of meteorite and comet impacts that occur each year.

Question 8

The pressure inside Jupiter converts much of its hydrogen into a liquid metallic state.

Accepted Answer

A) True 
 B)False

Question 9

In contrast to Jovian planets,terrestrial planets

Accepted Answer

A)  formed from material at higher temperatures. 
B)  have a solid surface. 
C)  are composed mostly of rock and/or iron. 
D)  all of the above 
A)  formed from material at higher temperatures. 
B)  have a solid surface. 
C)  are composed mostly of rock and/or iron. 
D)  all of the above

Question 10

What evidence is there that supports the suggestion that Enceladus is adding material to Saturn's E ring?

Accepted Answer

A)  The E ring is densest at the orbit of Enceladus. 
B)  Impacts by meteorites have been observed that put material into the E ring. 
C)  Volcanic eruptions have been observed that released material into the E ring. 
D)  Enceladus' magnetic field captures particles from the solar wind and deposits them in the E ring. 
E)  Enceladus' mass has decreased over the last fifty years while the mass of the E ring has increased. 
A)  The E ring is densest at the orbit of Enceladus. 
B)  Impacts by meteorites have been observed that put material into the E ring. 
C)  Volcanic eruptions have been observed that released material into the E ring. 
D)  Enceladus' magnetic field captures particles from the solar wind and deposits them in the E ring. 
E)  Enceladus' mass has decreased over the last fifty years while the mass of the E ring has increased.

Question 11

Similar to Jupiter,Saturn is obviously oblate.This means that

Accepted Answer

A)  Saturn's radius is much larger than Earth's radius. 
B)  Saturn's radius is larger at its equator than at its poles. 
C)  Saturn rotates very slowly. 
D)  Saturn has belts and zones in its upper atmosphere. 
E)  the density of the atmosphere increases until it is a liquid and no solid surface exists. 
A)  Saturn's radius is much larger than Earth's radius. 
B)  Saturn's radius is larger at its equator than at its poles. 
C)  Saturn rotates very slowly. 
D)  Saturn has belts and zones in its upper atmosphere. 
E)  the density of the atmosphere increases until it is a liquid and no solid surface exists.

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

Jupiter does not have

Accepted Answer

A)  a hot interior. 
B)  convention occurring in its atmosphere. 
C)  crustal plates on its surface. 
D)  a dynamo effect. 
E)  any rings. 
A)  a hot interior. 
B)  convention occurring in its atmosphere. 
C)  crustal plates on its surface. 
D)  a dynamo effect. 
E)  any rings.

Question 14

Jupiter can hold which of these gases in the atmosphere which the Earth cannot..

Accepted Answer

A)  hydrogen 
B)  helium 
C)  both "a" and "b" 
D)  nitrogen and oxygen 
A)  hydrogen 
B)  helium 
C)  both "a" and "b" 
D)  nitrogen and oxygen

Question 15

Terrestrial planets are found in the ____ part of the solar system while Jovian planets are found in the ____ part of the solar system.

Accepted Answer

A)  inner,outer 
B)  outer,inner 
C)  inner,inner 
D)  outer,outer 
A)  inner,outer 
B)  outer,inner 
C)  inner,inner 
D)  outer,outer

Question 16

Belt and zone circulation

Accepted Answer

A)  has been observed only on Jupiter and on terrestrial planets. 
B)  is caused by the planet's magnetic field. 
C)  is caused by rising and sinking gases in Jovian planets but not on terrestrials. 
D)  is more obvious on Saturn than Jupiter. 
E)  explains the formation of Cassini's division. 
A)  has been observed only on Jupiter and on terrestrial planets. 
B)  is caused by the planet's magnetic field. 
C)  is caused by rising and sinking gases in Jovian planets but not on terrestrials. 
D)  is more obvious on Saturn than Jupiter. 
E)  explains the formation of Cassini's division.

Question 17

In contrast to Jovian planets,terrestrial planets do not

Accepted Answer

A)  have liquid metallic hydrogen in their interiors. 
B)  have rings. 
C)  emit more energy than they absorb from the sun. 
D)  have deep atmospheric belt and zone circulation. 
E)  all of the above 
A)  have liquid metallic hydrogen in their interiors. 
B)  have rings. 
C)  emit more energy than they absorb from the sun. 
D)  have deep atmospheric belt and zone circulation. 
E)  all of the above

Question 18

The spokes in Saturn's rings are maintained by differential rotation.

Accepted Answer

A) True 
 B)False

Question 19

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 20

____ in Saturn's rings is(are)produced by the gravitational interaction of Mimas with the particles in the rings and appear(s)as a large gap in the rings.

Accepted Answer

A)  Spokes 
B)  Spiral density waves 
C)  Bending waves 
D)  The Io torus 
E)  Cassini's division 
A)  Spokes 
B)  Spiral density waves 
C)  Bending waves 
D)  The Io torus 
E)  Cassini's division

Exam 23: Jupiter and Saturn

Though Titan's mass is small,it is able to retain an atmosphere because

Jupiter radiates less heat than it absorbs from the sun.

Spokes in Saturn's rings are peculiar because

Jupiter's interior is mostly liquid helium.

Liquid metallic hydrogen

The surfaces of old icy satellites of Saturn

The excess heat produced by Saturn is the result of

The pressure inside Jupiter converts much of its hydrogen into a liquid metallic state.

In contrast to Jovian planets,terrestrial planets

What evidence is there that supports the suggestion that Enceladus is adding material to Saturn's E ring?

Similar to Jupiter,Saturn is obviously oblate.This means that

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

Jupiter does not have

Jupiter can hold which of these gases in the atmosphere which the Earth cannot..

Terrestrial planets are found in the ____ part of the solar system while Jovian planets are found in the ____ part of the solar system.

Belt and zone circulation

In contrast to Jovian planets,terrestrial planets do not

The spokes in Saturn's rings are maintained by differential rotation.

Europa has few craters because

____ in Saturn's rings is(are)produced by the gravitational interaction of Mimas with the particles in the rings and appear(s)as a large gap in the rings.

Here and Now

A Users Guide to the Sky

Cycles of the Moon

The Origin of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Interstellar Medium

The Formation and Structure of Stars

Stellar Evolution

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies

Active Galaxies and Supermassive Black Holes

Modern Cosmology

The Origin of the Solar System

Earth: the Standard of Comparative Planetology

The Moon and Mercury: Comparing Airless Worlds

Venus and Mars

Uranus,neptune,and the Kuiper Belt

Meteorites,asteroids,and Comets

Astrobiology: Life on Other Worlds

Filters

Terrestrial planets are found in the part of the solar system while Jovian planets are found in the part of the solar system.