Question 1

The one object in the solar system besides the Earth that is suspected of currently having a liquid on its surface is __________________.

Accepted Answer

The answer of The one object in the solar system...

Question 2

Jupiter's interior is mostly liquid helium.

Accepted Answer

A) True 
 B)False

Question 3

What is Cassini's division in Saturn's rings?

Accepted Answer

A) a location in the rings where the particle composition changes due to outgassing 
B) a clump of ring particles produced by gravitational interaction with the moon Mimas 
C) a separation between rings orbiting in different planes 
D) a gap produced by gravitational interaction with the moon Mimas 
A) a location in the rings where the particle composition changes due to outgassing 
B) a clump of ring particles produced by gravitational interaction with the moon Mimas 
C) a separation between rings orbiting in different planes 
D) a gap produced by gravitational interaction with the moon Mimas

Question 4

Compared to Jupiter,how much energy per square metre does Neptune get from the Sun?

Accepted Answer

A) about 1/36 as much 
B) about 1/9 as much 
C) about 1/2 as much 
D) about 3/4 as much 
A) about 1/36 as much 
B) about 1/9 as much 
C) about 1/2 as much 
D) about 3/4 as much

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

Pluto is no longer classified as a planet;instead it is now classified as a(n)____________________.

Accepted Answer

The answer of Pluto is no longer classified as a...

Question 7

How do the particles in Saturn's rings orbit the planet?

Accepted Answer

A) in the plane of the planet's equator, as a solid disk 
B) in the plane of the planet's equator, in individual orbits for each particle 
C) in the plane of the planet's equator, outside the Roche limit 
D) around the planet's poles, in individual orbits for each particle 
A) in the plane of the planet's equator, as a solid disk 
B) in the plane of the planet's equator, in individual orbits for each particle 
C) in the plane of the planet's equator, outside the Roche limit 
D) around the planet's poles, in individual orbits for each particle

Question 8

Which pair of planets has the greatest difference in density?

Accepted Answer

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

Question 9

Why do the newly created surface regions on Jupiter's icy satellites appear so bright?

Accepted Answer

A) Jupiter focuses sunlight on the satellites. 
B) The many impact craters are made of reflective metal. 
C) Fresh ice is very reflective. 
D) The satellites have small, active volcanoes. 
A) Jupiter focuses sunlight on the satellites. 
B) The many impact craters are made of reflective metal. 
C) Fresh ice is very reflective. 
D) The satellites have small, active volcanoes.

Question 10

Which of the following are part of the Kuiper belt?

Accepted Answer

A) Quaoar, Orcus, and Triton 
B) Pluto, Sedna, and Eris 
C) Io, Ganymede, and Callisto 
D) Ceres, Vesta, and Phobos 
A) Quaoar, Orcus, and Triton 
B) Pluto, Sedna, and Eris 
C) Io, Ganymede, and Callisto 
D) Ceres, Vesta, and Phobos

Question 11

Contrast the lightness/darkness of the ring particles orbiting Jupiter,Saturn,Uranus,and Neptune.

Accepted Answer

The lightness/darkness of the ring parti

Question 12

Why does Europa have so few craters?

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. 
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.

Question 13

Which planets have liquid metallic hydrogen in their interiors?

Accepted Answer

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

Question 14

Pluto's density is 1.8 g/cm³.Iron has a density of about 5 g/cm³.Rock (e.g.basalt)has a density of about 3 g/cm³.Ice and water have densities of 1.0 g/cm³.Which of the following can be deduced from those densities?

Accepted Answer

A) Pluto has a large iron-nickel core. 
B) Pluto is about one-third water and two-thirds rocky material. 
C) Pluto is solid rock all the way through. 
D) Pluto is composed entirely of water or water ice. 
A) Pluto has a large iron-nickel core. 
B) Pluto is about one-third water and two-thirds rocky material. 
C) Pluto is solid rock all the way through. 
D) Pluto is composed entirely of water or water ice.

Question 15

Propose a theory to explain the peculiar rotation of Uranus.Include the fact that Uranus's major satellites lie along the equatorial plane of the planet.

Accepted Answer

One theory to explain the peculiar rotat

Question 16

Discuss why astronomers no longer consider Pluto a planet.

Accepted Answer

The answer of Discuss why astronomers no longer consider Pluto...

Question 17

Why is it believed that the rings of Saturn could not have formed at the same time as the planet itself formed?

Accepted Answer

A) Over time, the solar wind should have blown away the particles in the rings. 
B) The particles in the rings should eventually fall into the planet, in a time much shorter than the age of the planet. 
C) The rings are made of ice particles, which would have been vaporized by the heat released as Saturn formed. 
D) The outer planets do not have enough mass to hold onto the rings. 
A) Over time, the solar wind should have blown away the particles in the rings. 
B) The particles in the rings should eventually fall into the planet, in a time much shorter than the age of the planet. 
C) The rings are made of ice particles, which would have been vaporized by the heat released as Saturn formed. 
D) The outer planets do not have enough mass to hold onto the rings.

Question 18

Saturn's belts and zones are obscured by haze high up in its atmosphere.

Accepted Answer

A) True 
 B)False

Question 19

What causes some rings of Saturn to be narrow,as seen in space probe photos?

Accepted Answer

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

Question 20

Jupiter's intense magnetic field traps high-energy particles from the solar wind and forms a radiation belt around the planet.

Accepted Answer

A) True 
 B)False

The one object in the solar system besides the Earth that is suspected of currently having a liquid on its surface is __________________.

Jupiter's interior is mostly liquid helium.

What is Cassini's division in Saturn's rings?

Compared to Jupiter,how much energy per square metre does Neptune get from the Sun?

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

Pluto is no longer classified as a planet;instead it is now classified as a(n)____________________.

How do the particles in Saturn's rings orbit the planet?

Which pair of planets has the greatest difference in density?

Why do the newly created surface regions on Jupiter's icy satellites appear so bright?

Which of the following are part of the Kuiper belt?

Contrast the lightness/darkness of the ring particles orbiting Jupiter,Saturn,Uranus,and Neptune.

Why does Europa have so few craters?

Which planets have liquid metallic hydrogen in their interiors?

Pluto's density is 1.8 g/cm³.Iron has a density of about 5 g/cm³.Rock (e.g.basalt)has a density of about 3 g/cm³.Ice and water have densities of 1.0 g/cm³.Which of the following can be deduced from those densities?

Propose a theory to explain the peculiar rotation of Uranus.Include the fact that Uranus's major satellites lie along the equatorial plane of the planet.

Discuss why astronomers no longer consider Pluto a planet.

Why is it believed that the rings of Saturn could not have formed at the same time as the planet itself formed?

Saturn's belts and zones are obscured by haze high up in its atmosphere.

What causes some rings of Saturn to be narrow,as seen in space probe photos?

Jupiter's intense magnetic field traps high-energy particles from the solar wind and forms a radiation belt around the planet.

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

The one object in the solar system besides the Earth that is suspected of currently having a liquid on its surface is __________________.

Jupiter's interior is mostly liquid helium.

What is Cassini's division in Saturn's rings?

Compared to Jupiter,how much energy per square metre does Neptune get from the Sun?

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

Pluto is no longer classified as a planet;instead it is now classified as a(n)____________________.

How do the particles in Saturn's rings orbit the planet?

Which pair of planets has the greatest difference in density?

Why do the newly created surface regions on Jupiter's icy satellites appear so bright?

Which of the following are part of the Kuiper belt?

Contrast the lightness/darkness of the ring particles orbiting Jupiter,Saturn,Uranus,and Neptune.

Why does Europa have so few craters?

Which planets have liquid metallic hydrogen in their interiors?

Pluto's density is 1.8 g/cm³.Iron has a density of about 5 g/cm³.Rock (e.g.basalt)has a density of about 3 g/cm³.Ice and water have densities of 1.0 g/cm³.Which of the following can be deduced from those densities?

Propose a theory to explain the peculiar rotation of Uranus.Include the fact that Uranus's major satellites lie along the equatorial plane of the planet.

Discuss why astronomers no longer consider Pluto a planet.

Why is it believed that the rings of Saturn could not have formed at the same time as the planet itself formed?

Saturn's belts and zones are obscured by haze high up in its atmosphere.

What causes some rings of Saturn to be narrow,as seen in space probe photos?

Jupiter's intense magnetic field traps high-energy particles from the solar wind and forms a radiation belt around the planet.

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