Question 1

The giant planets all have:

Accepted Answer

A)  strong magnetic fields. 
B)  ring systems. 
C)  rapid rotation. 
D)  all of the above. 
A)  strong magnetic fields. 
B)  ring systems. 
C)  rapid rotation. 
D)  all of the above. D

Question 2

The LEAST geologically active of Jupiter's Galilean moons is:

Accepted Answer

A)  Europa. 
B)  Callisto. 
C)  Ganymede. 
D)  Io. 
A)  Europa. 
B)  Callisto. 
C)  Ganymede. 
D)  Io. B

Question 3

The light-colored bands on Jupiter are ________ regions.

Accepted Answer

A)  high-velocity 
B)  low-velocity 
C)  high-pressure 
D)  low-pressure 
A)  high-velocity 
B)  low-velocity 
C)  high-pressure 
D)  low-pressure C

Question 4

An exoplanet with a spin axis similar to Uranus's transits its star.If the exoplanet had large planetary rings,astronomers who measured the transit's depth might:

Accepted Answer

A)  overestimate the planet's radius. 
B)  overestimate the planet's orbital semimajor axis. 
C)  underestimate the planet's mass. 
D)  underestimate the planet's orbital semimajor axis. 
A)  overestimate the planet's radius. 
B)  overestimate the planet's orbital semimajor axis. 
C)  underestimate the planet's mass. 
D)  underestimate the planet's orbital semimajor axis.

Question 5

If Earth had a semimajor axis of 8 AU,which of the following would be true?

Accepted Answer

A)  Eclipses would not occur. 
B)  Annular eclipses would not occur. 
C)  Total solar eclipses would not occur. 
D)  Lunar eclipses would not occur. 
A)  Eclipses would not occur. 
B)  Annular eclipses would not occur. 
C)  Total solar eclipses would not occur. 
D)  Lunar eclipses would not occur.

Question 6

What is the composition of the surfaces of Europa,Ganymede,and Callisto? Why do their albedos vary?

Accepted Answer

They all have icy surfaces.The

Question 7

Which of the following is closest to the snow line in our Solar System?

Accepted Answer

A)  0.9 AU 
B)  1.5 AU 
C)  2.1 AU 
D)  4.5 AU 
A)  0.9 AU 
B)  1.5 AU 
C)  2.1 AU 
D)  4.5 AU

Question 8

Compared to the large moons around the other planets in the outer Solar System,Miranda is unique in its:

Accepted Answer

A)  highly inclined orbit relative to the ecliptic. 
B)  atmosphere. 
C)  retrograde orbit. 
D)  volcanic activity. 
A)  highly inclined orbit relative to the ecliptic. 
B)  atmosphere. 
C)  retrograde orbit. 
D)  volcanic activity.

Question 9

The planet with the most powerful magnetic field is:

Accepted Answer

A)  Jupiter. 
B)  Uranus. 
C)  Earth. 
D)  Mercury. 
A)  Jupiter. 
B)  Uranus. 
C)  Earth. 
D)  Mercury.

Question 10

What are the orbital properties of Saturn's irregular satellites (distance,inclination,direction)? What is their origin?

Accepted Answer

The irregular satellites are c

Question 11

Why is Saturn's magnetic field 20 times weaker than Jupiter's?

Accepted Answer

A)  The decreased pressure on Saturn implies a smaller liquid hydrogen layer. 
B)  Saturn's atmosphere responds easily to magnetic fields, partially canceling them. 
C)  Saturn's rapid rotation causes its electric currents to short-circuit. 
D)  All of the above. 
A)  The decreased pressure on Saturn implies a smaller liquid hydrogen layer. 
B)  Saturn's atmosphere responds easily to magnetic fields, partially canceling them. 
C)  Saturn's rapid rotation causes its electric currents to short-circuit. 
D)  All of the above.

Question 12

Which of the following correctly characterizes the structure of Uranus,if the layers are listed from the most central outward to the surface?

Accepted Answer

A)  rocky core, liquid molecular hydrogen, slush of light elements and hydrogen 
B)  rocky core, slush of light elements and hydrogen, liquid molecular hydrogen 
C)  rocky core, liquid metallic hydrogen, slush of light elements and hydrogen 
D)  liquid metallic hydrogen, liquid molecular hydrogen, slush of light elements and hydrogen 
A)  rocky core, liquid molecular hydrogen, slush of light elements and hydrogen 
B)  rocky core, slush of light elements and hydrogen, liquid molecular hydrogen 
C)  rocky core, liquid metallic hydrogen, slush of light elements and hydrogen 
D)  liquid metallic hydrogen, liquid molecular hydrogen, slush of light elements and hydrogen

Question 13

How was the mass of Neptune predicted before it was observed?

Accepted Answer

Neptune's gravitational influence on Ura

Question 14

What is the strongest evidence for liquid water on Callisto?

Accepted Answer

Magnetic field varia

Question 15

Which of the following Solar System moons has geysers spouting liquid water?

Accepted Answer

A)  Io 
B)  Callisto 
C)  Titan 
D)  Enceladus 
A)  Io 
B)  Callisto 
C)  Titan 
D)  Enceladus

Question 16

Jupiter's Great Red Spot is a:

Accepted Answer

A)  region of thick ammonium sulfide clouds. 
B)  hurricane. 
C)  region of powerful magnetic fields. 
D)  fixed and unchanging feature. 
A)  region of thick ammonium sulfide clouds. 
B)  hurricane. 
C)  region of powerful magnetic fields. 
D)  fixed and unchanging feature.

Question 17

Compared to Jupiter,Saturn has ________ powerful storms and ________ winds.

Accepted Answer

A)  more; slower 
B)  more; faster 
C)  fewer; slower 
D)  fewer; faster 
A)  more; slower 
B)  more; faster 
C)  fewer; slower 
D)  fewer; faster

Question 18

How would Jupiter's Galilean moons differ if they had circular orbits?

Accepted Answer

They would feel less

Question 19

The Cassini Division is:

Accepted Answer

A)  a result of tidally disrupted comets. 
B)  maintained through gravitational interactions with moons. 
C)  driven by magnetic anomalies. 
D)  evolving significantly over the course of a few decades. 
A)  a result of tidally disrupted comets. 
B)  maintained through gravitational interactions with moons. 
C)  driven by magnetic anomalies. 
D)  evolving significantly over the course of a few decades.

Question 20

If the Sun appears to be about 32 arcminutes across at Earth,how large does it appear to be at Saturn (with an orbital semimajor axis of 9.5 AU)?

Accepted Answer

A)  304 arcminutes 
B)  11 arcminutes 
C)  3.4 arcminutes 
D)  0.35 arcminutes 
A)  304 arcminutes 
B)  11 arcminutes 
C)  3.4 arcminutes 
D)  0.35 arcminutes

The giant planets all have:

The LEAST geologically active of Jupiter's Galilean moons is:

The light-colored bands on Jupiter are ________ regions.

An exoplanet with a spin axis similar to Uranus's transits its star.If the exoplanet had large planetary rings,astronomers who measured the transit's depth might:

If Earth had a semimajor axis of 8 AU,which of the following would be true?

What is the composition of the surfaces of Europa,Ganymede,and Callisto? Why do their albedos vary?

Which of the following is closest to the snow line in our Solar System?

Compared to the large moons around the other planets in the outer Solar System,Miranda is unique in its:

The planet with the most powerful magnetic field is:

What are the orbital properties of Saturn's irregular satellites (distance,inclination,direction)? What is their origin?

Why is Saturn's magnetic field 20 times weaker than Jupiter's?

Which of the following correctly characterizes the structure of Uranus,if the layers are listed from the most central outward to the surface?

How was the mass of Neptune predicted before it was observed?

What is the strongest evidence for liquid water on Callisto?

Which of the following Solar System moons has geysers spouting liquid water?

Jupiter's Great Red Spot is a:

Compared to Jupiter,Saturn has powerful storms and winds.

How would Jupiter's Galilean moons differ if they had circular orbits?

The Cassini Division is:

If the Sun appears to be about 32 arcminutes across at Earth,how large does it appear to be at Saturn (with an orbital semimajor axis of 9.5 AU)?

Getting Started: Science, astronomy, and Being Human

A Universe Made, a Universe Discovered

A Universe of Universal Laws

A Universe of Universal Laws

The Architecture and Birth of Planetary Systems

Home Base: Earth and Moon

Sibling Worlds: Mercury, Venus, and Mars

Life and the Search for Habitable Worlds

The Sun As a Star

Measuring the Stars: the Main Sequence and Its Meaning

Nursery of the Stars: the Interstellar Medium and Star Formation

To the Graveyard of Stars: the End Points of Stellar Evolution

Down the Rabbit Hole: Relativity and Black Holes

Our City of Stars: the Milky Way

A Universe of Galaxies

The Cosmic Web: the Large-Scale Structure of the Universe

Cosmology

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Exam 8: Gas, ice, and Stone: the Outer Planets

The giant planets all have:

The LEAST geologically active of Jupiter's Galilean moons is:

The light-colored bands on Jupiter are ________ regions.

An exoplanet with a spin axis similar to Uranus's transits its star.If the exoplanet had large planetary rings,astronomers who measured the transit's depth might:

If Earth had a semimajor axis of 8 AU,which of the following would be true?

What is the composition of the surfaces of Europa,Ganymede,and Callisto? Why do their albedos vary?

Which of the following is closest to the snow line in our Solar System?

Compared to the large moons around the other planets in the outer Solar System,Miranda is unique in its:

The planet with the most powerful magnetic field is:

What are the orbital properties of Saturn's irregular satellites (distance,inclination,direction)? What is their origin?

Why is Saturn's magnetic field 20 times weaker than Jupiter's?

Which of the following correctly characterizes the structure of Uranus,if the layers are listed from the most central outward to the surface?

How was the mass of Neptune predicted before it was observed?

What is the strongest evidence for liquid water on Callisto?

Which of the following Solar System moons has geysers spouting liquid water?

Jupiter's Great Red Spot is a:

Compared to Jupiter,Saturn has ________ powerful storms and ________ winds.

How would Jupiter's Galilean moons differ if they had circular orbits?

The Cassini Division is:

If the Sun appears to be about 32 arcminutes across at Earth,how large does it appear to be at Saturn (with an orbital semimajor axis of 9.5 AU)?

Getting Started: Science, astronomy, and Being Human

A Universe Made, a Universe Discovered

A Universe of Universal Laws

A Universe of Universal Laws

The Architecture and Birth of Planetary Systems

Home Base: Earth and Moon

Sibling Worlds: Mercury, Venus, and Mars

Life and the Search for Habitable Worlds

The Sun As a Star

Measuring the Stars: the Main Sequence and Its Meaning

Nursery of the Stars: the Interstellar Medium and Star Formation

To the Graveyard of Stars: the End Points of Stellar Evolution

Down the Rabbit Hole: Relativity and Black Holes

Our City of Stars: the Milky Way

A Universe of Galaxies

The Cosmic Web: the Large-Scale Structure of the Universe

Cosmology

Filters

Compared to Jupiter,Saturn has powerful storms and winds.