Question 1

Which is the least dense planet in the solar system?

Accepted Answer

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

Question 2

Which of the following spacecraft did NOT visit Jupiter?

Accepted Answer

A)  Galileo 
B)  Pioneer 10 
C)  Viking 
D)  Voyager 1 
A)  Galileo 
B)  Pioneer 10 
C)  Viking 
D)  Voyager 1

Question 3

The composition of the clouds that we see on Jupiter is

Accepted Answer

A)  very different from Earth clouds-composed almost entirely of ammonia and ammonium hydrosulfide crystals with almost no water. 
B)  similar to Earth clouds through the whole atmosphere-water droplets and crystals of frozen water. 
C)  similar to Earth clouds (water droplets and crystals of frozen water)in the higher levels but very different (e.g. ,ammonia crystals)in the lower levels. 
D)  similar to those of Earth (water droplets and crystals of frozen water)in the lower levels but very different (e.g. ,ammonia crystals and other chemicals)in the higher levels. 
A)  very different from Earth clouds-composed almost entirely of ammonia and ammonium hydrosulfide crystals with almost no water. 
B)  similar to Earth clouds through the whole atmosphere-water droplets and crystals of frozen water. 
C)  similar to Earth clouds (water droplets and crystals of frozen water)in the higher levels but very different (e.g. ,ammonia crystals)in the lower levels. 
D)  similar to those of Earth (water droplets and crystals of frozen water)in the lower levels but very different (e.g. ,ammonia crystals and other chemicals)in the higher levels.

Question 4

What would happen if you tried to land on the surface of Jupiter?

Accepted Answer

It would be impossible to do considering

Question 5

What does Uranus look like from space?

Accepted Answer

A)  Perpetually covered with yellowish,sulfur-rich clouds 
B)  Blue-green and featureless 
C)  Blue-green with white,high-altitude clouds,and dark storms 
D)  Reddish belts and light zones,parallel to the equator 
A)  Perpetually covered with yellowish,sulfur-rich clouds 
B)  Blue-green and featureless 
C)  Blue-green with white,high-altitude clouds,and dark storms 
D)  Reddish belts and light zones,parallel to the equator

Question 6

Uranus's rings were discovered when starlight was dimmed as the rings occulted the star as the star apparently passed behind the planet.

Accepted Answer

A) True 
 B)False

Question 7

What are the most abundant gases in the atmosphere of Uranus?

Accepted Answer

A)  Hydrogen and helium 
B)  Carbon dioxide and nitrogen 
C)  Nitrogen and ammonia 
D)  Methane and water 
A)  Hydrogen and helium 
B)  Carbon dioxide and nitrogen 
C)  Nitrogen and ammonia 
D)  Methane and water

Question 8

It is likely that a large moon would be formed inside a planet's Roche limit.

Accepted Answer

A) True 
 B)False

Question 9

How do the internal structures of Uranus and Neptune compare? How are they similar and how are they different?

Accepted Answer

Both planets have a rocky core,resemblin

Question 10

The major constituent of Saturn is

Accepted Answer

A)  rock. 
B)  carbon dioxide. 
C)  hydrogen. 
D)  nitrogen. 
A)  rock. 
B)  carbon dioxide. 
C)  hydrogen. 
D)  nitrogen.

Question 11

Why are the rings of Neptune dark?

Accepted Answer

A)  The small,icy grains of which they are made are transparent and reflect little light back toward Earth. 
B)  There are so few of them,making the rings dark even though the individual icy ring particles have high reflectivities. 
C)  The ice from which they are made is coated with dark space dust. 
D)  The ring material,methane ice,has been darkened by impact by electrons from the magnetosphere. 
A)  The small,icy grains of which they are made are transparent and reflect little light back toward Earth. 
B)  There are so few of them,making the rings dark even though the individual icy ring particles have high reflectivities. 
C)  The ice from which they are made is coated with dark space dust. 
D)  The ring material,methane ice,has been darkened by impact by electrons from the magnetosphere.

Question 12

A main difference between the atmospheres of Uranus and Neptune compared to Jupiter and Saturn is that

Accepted Answer

A)  Uranus and Neptune have a greater percentage of methane. 
B)  Uranus and Neptune have a greater percentage of carbon dioxide. 
C)  Jupiter and Saturn have a greater percentage of nitrogen. 
D)  Jupiter and Saturn have a greater percentage of oxygen. 
A)  Uranus and Neptune have a greater percentage of methane. 
B)  Uranus and Neptune have a greater percentage of carbon dioxide. 
C)  Jupiter and Saturn have a greater percentage of nitrogen. 
D)  Jupiter and Saturn have a greater percentage of oxygen.

Question 13

Why do the rings of Uranus and Neptune have such low reflectivity?

Accepted Answer

Scientists speculate that eons of impact

Question 14

The rotation periods of Jupiter and Saturn are

Accepted Answer

A)  very short-on the order of 1 hour. 
B)  very long-several weeks because of their great size and mass. 
C)  long-on the order of several days. 
D)  relatively short-on the order of 10 hours. 
A)  very short-on the order of 1 hour. 
B)  very long-several weeks because of their great size and mass. 
C)  long-on the order of several days. 
D)  relatively short-on the order of 10 hours.

Question 15

Uranus appears as a hazy featureless disk with a faint reddish-orange tinge.

Accepted Answer

A) True 
 B)False

Question 16

Saturn's sidereal period around the Sun is approximately 29 years.The time interval between viewing Saturn at opposition and next viewing it again at opposition is

Accepted Answer

A)  1 year. 
B)  slightly less than1 year. 
C)  slightly more than1 year. 
D)  approximately 29 years. 
A)  1 year. 
B)  slightly less than1 year. 
C)  slightly more than1 year. 
D)  approximately 29 years.

Question 17

At what point in its orbit does Jupiter appear to be brightest when viewed from Earth?

Accepted Answer

A)  At opposition 
B)  Its brightness does not vary with orbital position because of its almost circular orbit. 
C)  At conjunction 
D)  When the Earth-Jupiter line is at a right angle to the Sun-Jupiter line 
A)  At opposition 
B)  Its brightness does not vary with orbital position because of its almost circular orbit. 
C)  At conjunction 
D)  When the Earth-Jupiter line is at a right angle to the Sun-Jupiter line

Question 18

How does Saturn's size (e.g. ,diameter)compare to that of Jupiter?

Accepted Answer

A)  Slightly larger,because Saturn is rotating much faster then Jupiter 
B)  Significantly larger,because Saturn contains a greater proportion of hydrogen than Jupiter 
C)  About the same,because Saturn is less massive and less compressed 
D)  Significantly smaller,because Saturn has only about 1/10 the mass of Jupiter 
A)  Slightly larger,because Saturn is rotating much faster then Jupiter 
B)  Significantly larger,because Saturn contains a greater proportion of hydrogen than Jupiter 
C)  About the same,because Saturn is less massive and less compressed 
D)  Significantly smaller,because Saturn has only about 1/10 the mass of Jupiter

Question 19

The spacecraft that successfully photographed Neptune on a 1989 flyby mission was

Accepted Answer

A)  Pioneer. 
B)  Viking. 
C)  Voyager. 
D)  Magellan. 
A)  Pioneer. 
B)  Viking. 
C)  Voyager. 
D)  Magellan.

Question 20

Neptune's cirrus clouds are probably made of

Accepted Answer

A)  methane ice. 
B)  water ice. 
C)  carbon dioxide ice. 
D)  frozen oxygen. 
A)  methane ice. 
B)  water ice. 
C)  carbon dioxide ice. 
D)  frozen oxygen.

Which is the least dense planet in the solar system?

Which of the following spacecraft did NOT visit Jupiter?

The composition of the clouds that we see on Jupiter is

What would happen if you tried to land on the surface of Jupiter?

What does Uranus look like from space?

Uranus's rings were discovered when starlight was dimmed as the rings occulted the star as the star apparently passed behind the planet.

What are the most abundant gases in the atmosphere of Uranus?

It is likely that a large moon would be formed inside a planet's Roche limit.

How do the internal structures of Uranus and Neptune compare? How are they similar and how are they different?

The major constituent of Saturn is

Why are the rings of Neptune dark?

A main difference between the atmospheres of Uranus and Neptune compared to Jupiter and Saturn is that

Why do the rings of Uranus and Neptune have such low reflectivity?

The rotation periods of Jupiter and Saturn are

Uranus appears as a hazy featureless disk with a faint reddish-orange tinge.

Saturn's sidereal period around the Sun is approximately 29 years.The time interval between viewing Saturn at opposition and next viewing it again at opposition is

At what point in its orbit does Jupiter appear to be brightest when viewed from Earth?

How does Saturn's size (e.g. ,diameter)compare to that of Jupiter?

The spacecraft that successfully photographed Neptune on a 1989 flyby mission was

Neptune's cirrus clouds are probably made of

Predicting the Motions of the Stars, Sun, and Moon

Decoding the Hidden Messages in Starlight

Analyzing Scales and Motions of the Universe

Exploring Our Evolving Solar System

Uncovering Earths Systems

Exploring Terrestrial Surface Processes and Atmospheres

Looking for Life Beyond Earth

Probing the Dynamic Sun

Observing Properties of Distant Stars

Inferring Patterns in Star Life Cycles

Predicting the Violent End of the Largest Stars

Exploring Our Galaxy

Investigating Other Galaxies

Observing the Evolution of the Universe

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Exam 7: Observing the Dynamic Giant Planets

Which is the least dense planet in the solar system?

Which of the following spacecraft did NOT visit Jupiter?

The composition of the clouds that we see on Jupiter is

What would happen if you tried to land on the surface of Jupiter?

What does Uranus look like from space?

Uranus's rings were discovered when starlight was dimmed as the rings occulted the star as the star apparently passed behind the planet.

What are the most abundant gases in the atmosphere of Uranus?

It is likely that a large moon would be formed inside a planet's Roche limit.

How do the internal structures of Uranus and Neptune compare? How are they similar and how are they different?

The major constituent of Saturn is

Why are the rings of Neptune dark?

A main difference between the atmospheres of Uranus and Neptune compared to Jupiter and Saturn is that

Why do the rings of Uranus and Neptune have such low reflectivity?

The rotation periods of Jupiter and Saturn are

Uranus appears as a hazy featureless disk with a faint reddish-orange tinge.

Saturn's sidereal period around the Sun is approximately 29 years.The time interval between viewing Saturn at opposition and next viewing it again at opposition is

At what point in its orbit does Jupiter appear to be brightest when viewed from Earth?

How does Saturn's size (e.g. ,diameter)compare to that of Jupiter?

The spacecraft that successfully photographed Neptune on a 1989 flyby mission was

Neptune's cirrus clouds are probably made of

Predicting the Motions of the Stars, Sun, and Moon

Decoding the Hidden Messages in Starlight

Analyzing Scales and Motions of the Universe

Exploring Our Evolving Solar System

Uncovering Earths Systems

Exploring Terrestrial Surface Processes and Atmospheres

Looking for Life Beyond Earth

Probing the Dynamic Sun

Observing Properties of Distant Stars

Inferring Patterns in Star Life Cycles

Predicting the Violent End of the Largest Stars

Exploring Our Galaxy

Investigating Other Galaxies

Observing the Evolution of the Universe

Filters