Question 1

What gives Uranus its blue-green coloration?

Accepted Answer

A)  Absorption of blue and green sunlight by ammonia gas 
B)  Emission of spectral lines in the blue and green by ethane and propane,excited by solar UV radiation 
C)  Continuous emissions from aurorae in the upper planetary atmosphere 
D)  Absorption of the red sunlight by methane gas 
A)  Absorption of blue and green sunlight by ammonia gas 
B)  Emission of spectral lines in the blue and green by ethane and propane,excited by solar UV radiation 
C)  Continuous emissions from aurorae in the upper planetary atmosphere 
D)  Absorption of the red sunlight by methane gas

Question 2

Jupiter's ring was discovered by

Accepted Answer

A)  direct,ground-based photography. 
B)  momentary occultation of starlight as the planet and the rings moved in front of a star. 
C)  visual observations by Galileo. 
D)  spacecraft photography. 
A)  direct,ground-based photography. 
B)  momentary occultation of starlight as the planet and the rings moved in front of a star. 
C)  visual observations by Galileo. 
D)  spacecraft photography.

Question 3

What is the Roche limit and what does it mean for ring systems?

Accepted Answer

At a certain distance from the planet's

Question 4

Methane absorbs red light,giving Uranus and Neptune their

Accepted Answer

A)  reddish-orange color. 
B)  greenish-blue color. 
C)  greenish-yellow color. 
D)  brown color. 
A)  reddish-orange color. 
B)  greenish-blue color. 
C)  greenish-yellow color. 
D)  brown color.

Question 5

Huygens measurements indicated that the average annual methane rainfall on Saturn's moon Titan is about the same as the amount of water rain that falls each year at Death Valley in California.

Accepted Answer

A) True 
 B)False

Question 6

Saturn's rings are composed of

Accepted Answer

A)  particles of methane and ammonia ice. 
B)  small grains of rock. 
C)  sodium and sulfur ions. 
D)  water ice or ice-coated rock. 
A)  particles of methane and ammonia ice. 
B)  small grains of rock. 
C)  sodium and sulfur ions. 
D)  water ice or ice-coated rock.

Question 7

In 1979,the Voyager spacecraft discovered for the first time that Jupiter spins with differential rotation.

Accepted Answer

A) True 
 B)False

Question 8

The moons of Jupiter experience differential rotation as they spin.

Accepted Answer

A) True 
 B)False

Question 9

The rings of Uranus were

Accepted Answer

A)  predicted theoretically because of the planet's similarity to Saturn. 
B)  first discovered while observing the occultation of a star by the Uranian system. 
C)  first discovered by Voyager 2 on its flyby in 1986. 
D)  first observed by Galileo. 
A)  predicted theoretically because of the planet's similarity to Saturn. 
B)  first discovered while observing the occultation of a star by the Uranian system. 
C)  first discovered by Voyager 2 on its flyby in 1986. 
D)  first observed by Galileo.

Question 10

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

Accepted Answer

Through a large,modern telescope,both Ur

Question 11

Just like Jupiter's Great Red Spot,Neptune's Great Dark Spot has been spotted on the planet for hundreds of years.

Accepted Answer

A) True 
 B)False

Question 12

How do the internal structures of Jupiter and Saturn compare? How are they similar and how are they different?

Accepted Answer

Each planet's rocky core is surrounded b

Question 13

For someone standing on the surface of Jupiter,tomorrow's weather forecast is

Accepted Answer

A)  sunny,possible thin,high clouds. 
B)  sunny and clear because Jupiter has no atmosphere in which clouds can form. 
C)  overcast,possible rain with snow at higher elevations. 
D)  The question is meaningless because there is no solid surface on which to stand. 
A)  sunny,possible thin,high clouds. 
B)  sunny and clear because Jupiter has no atmosphere in which clouds can form. 
C)  overcast,possible rain with snow at higher elevations. 
D)  The question is meaningless because there is no solid surface on which to stand.

Question 14

The largest gap in the rings that separates the A ring from the B ring is the

Accepted Answer

A)  Roche limit. 
B)  Encke gap. 
C)  Huygen jump. 
D)  Cassini division. 
A)  Roche limit. 
B)  Encke gap. 
C)  Huygen jump. 
D)  Cassini division.

Question 15

Which planetary satellites are known to have plumes of gas escaping through their surfaces?

Accepted Answer

A)  Europa and Oberon 
B)  Ganymede and Umbriel 
C)  Io and Triton 
D)  Io and Callisto 
A)  Europa and Oberon 
B)  Ganymede and Umbriel 
C)  Io and Triton 
D)  Io and Callisto

Question 16

The atmospheres of Jupiter and Saturn have many zonal bands moving in alternate directions parallel to the equator,but Uranus's atmosphere appears to have only a few.What is believed to be the reason for this difference?

Accepted Answer

A)  Uranus is significantly smaller than Jupiter or Saturn. 
B)  Because of the extreme tilt of Uranus's rotation axis,the planet's equatorial regions are not always facing the general direction of the Sun. 
C)  There is little internal heating on Uranus to influence motions in its atmosphere. 
D)  The rotation of the core of Uranus is opposite that of the atmosphere. 
A)  Uranus is significantly smaller than Jupiter or Saturn. 
B)  Because of the extreme tilt of Uranus's rotation axis,the planet's equatorial regions are not always facing the general direction of the Sun. 
C)  There is little internal heating on Uranus to influence motions in its atmosphere. 
D)  The rotation of the core of Uranus is opposite that of the atmosphere.

Question 17

What was the most surprising discovery of the Galileo probe when it penetrated the atmosphere of Jupiter?

Accepted Answer

A)  It measured only traces of the NH3,NH4SH,and water vapor cloud layers that are easily measured spectroscopically from Earth. 
B)  It found no evidence of hydrogen at all in the atmosphere of Jupiter. 
C)  It hit a hard surface just under the cloud layers,contrary to our understanding of Jupiter's atmospheric structure. 
D)  It measured vast quantities of invisible water vapor above the cloud layers. 
A)  It measured only traces of the NH3,NH4SH,and water vapor cloud layers that are easily measured spectroscopically from Earth. 
B)  It found no evidence of hydrogen at all in the atmosphere of Jupiter. 
C)  It hit a hard surface just under the cloud layers,contrary to our understanding of Jupiter's atmospheric structure. 
D)  It measured vast quantities of invisible water vapor above the cloud layers.

Question 18

The lighter-colored bands that encircle the high atmosphere of Jupiter,which are visible through telescopes from Earth,are known as

Accepted Answer

A)  belts. 
B)  white spots. 
C)  rings. 
D)  zones. 
A)  belts. 
B)  white spots. 
C)  rings. 
D)  zones.

Question 19

Neptune's high cirrus clouds consist of

Accepted Answer

A)  crystals of water ice. 
B)  droplets of sulfuric acid. 
C)  ammonia ice crystals. 
D)  methane ice crystals. 
A)  crystals of water ice. 
B)  droplets of sulfuric acid. 
C)  ammonia ice crystals. 
D)  methane ice crystals.

Question 20

How would "Interplanetary Travel" advertise a holiday on Titan,one of the satellites of Saturn?

Accepted Answer

A)  The largest number of volcanoes for your travel dollar anywhere in the solar system! 
B)  Methane rain! 
C)  Glaciers galore for your hiking pleasure under star-studded skies! 
D)  Hot and dry-never rains-beautiful sulfurous skies! 
A)  The largest number of volcanoes for your travel dollar anywhere in the solar system! 
B)  Methane rain! 
C)  Glaciers galore for your hiking pleasure under star-studded skies! 
D)  Hot and dry-never rains-beautiful sulfurous skies!

What gives Uranus its blue-green coloration?

Jupiter's ring was discovered by

What is the Roche limit and what does it mean for ring systems?

Methane absorbs red light,giving Uranus and Neptune their

Huygens measurements indicated that the average annual methane rainfall on Saturn's moon Titan is about the same as the amount of water rain that falls each year at Death Valley in California.

Saturn's rings are composed of

In 1979,the Voyager spacecraft discovered for the first time that Jupiter spins with differential rotation.

The moons of Jupiter experience differential rotation as they spin.

The rings of Uranus were

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

Just like Jupiter's Great Red Spot,Neptune's Great Dark Spot has been spotted on the planet for hundreds of years.

How do the internal structures of Jupiter and Saturn compare? How are they similar and how are they different?

For someone standing on the surface of Jupiter,tomorrow's weather forecast is

The largest gap in the rings that separates the A ring from the B ring is the

Which planetary satellites are known to have plumes of gas escaping through their surfaces?

The atmospheres of Jupiter and Saturn have many zonal bands moving in alternate directions parallel to the equator,but Uranus's atmosphere appears to have only a few.What is believed to be the reason for this difference?

What was the most surprising discovery of the Galileo probe when it penetrated the atmosphere of Jupiter?

The lighter-colored bands that encircle the high atmosphere of Jupiter,which are visible through telescopes from Earth,are known as

Neptune's high cirrus clouds consist of

How would "Interplanetary Travel" advertise a holiday on Titan,one of the satellites of Saturn?

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

Exam 7: Observing the Dynamic Giant Planets

What gives Uranus its blue-green coloration?

Jupiter's ring was discovered by

What is the Roche limit and what does it mean for ring systems?

Methane absorbs red light,giving Uranus and Neptune their

Huygens measurements indicated that the average annual methane rainfall on Saturn's moon Titan is about the same as the amount of water rain that falls each year at Death Valley in California.

Saturn's rings are composed of

In 1979,the Voyager spacecraft discovered for the first time that Jupiter spins with differential rotation.

The moons of Jupiter experience differential rotation as they spin.

The rings of Uranus were

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

Just like Jupiter's Great Red Spot,Neptune's Great Dark Spot has been spotted on the planet for hundreds of years.

How do the internal structures of Jupiter and Saturn compare? How are they similar and how are they different?

For someone standing on the surface of Jupiter,tomorrow's weather forecast is

The largest gap in the rings that separates the A ring from the B ring is the

Which planetary satellites are known to have plumes of gas escaping through their surfaces?

The atmospheres of Jupiter and Saturn have many zonal bands moving in alternate directions parallel to the equator,but Uranus's atmosphere appears to have only a few.What is believed to be the reason for this difference?

What was the most surprising discovery of the Galileo probe when it penetrated the atmosphere of Jupiter?

The lighter-colored bands that encircle the high atmosphere of Jupiter,which are visible through telescopes from Earth,are known as

Neptune's high cirrus clouds consist of

How would "Interplanetary Travel" advertise a holiday on Titan,one of the satellites of Saturn?

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