Question 1

In what ways do the magnetic fields of both Uranus and Neptune defy the conventional Dynamo Theory for planetary magnetic fields?

Accepted Answer

The planet's rotation, as the word dynam

Question 2

What is the main constituent of the atmosphere of Venus?

Accepted Answer

A)  Oxygen 
B)  Nitrogen 
C)  Hydrogen 
D)  Carbon dioxide 
E)  Sulfuric acid 
A)  Oxygen 
B)  Nitrogen 
C)  Hydrogen 
D)  Carbon dioxide 
E)  Sulfuric acid

Question 3

Most of Mars' water is now locked in a ________ layer below the surface.

Accepted Answer

The answer of Most of Mars' water is now locked...

Question 4

Which planet had the Great Dark Spot in 1989, but had lost it by 1995?

Accepted Answer

A)  Jupiter 
B)  Saturn 
C)  Uranus 
D)  Neptune 
E)  Mars 
A)  Jupiter 
B)  Saturn 
C)  Uranus 
D)  Neptune 
E)  Mars

Question 5

Neptune and Uranus have a bluish tint because

Accepted Answer

A)  at their distances, the Sun appears blue, the red absorbed by dust in the ecliptic. 
B)  they are far away and distance makes objects appear bluish. 
C)  their atmospheres contain methane, which absorbs red light. 
D)  their atmospheres contain hydrogen and helium. 
E)  ammonia ice reflects blue light better than any other color. 
A)  at their distances, the Sun appears blue, the red absorbed by dust in the ecliptic. 
B)  they are far away and distance makes objects appear bluish. 
C)  their atmospheres contain methane, which absorbs red light. 
D)  their atmospheres contain hydrogen and helium. 
E)  ammonia ice reflects blue light better than any other color.

Question 6

Compare and contrast the magnetospheres of Earth and Jupiter. Discuss strength and reaction to solar winds.

Accepted Answer

Jupiter's magnetosphere is the strongest

Question 7

That the Tharsis region on Mars has so few craters

Accepted Answer

A)  proves tectonic activity is taking place. 
B)  is due to the regions very low elevation. 
C)  suggests it is the youngest region on the planet. 
D)  suggests it is at the center of a particularly strong magnetic field. 
E)  is due to annual flooding and water erosion. 
A)  proves tectonic activity is taking place. 
B)  is due to the regions very low elevation. 
C)  suggests it is the youngest region on the planet. 
D)  suggests it is at the center of a particularly strong magnetic field. 
E)  is due to annual flooding and water erosion.

Question 8

The ________ hemisphere of Mars is lower, smoother, and younger than the other one.

Accepted Answer

The answer of The ________ hemisphere of Mars is lower,...

Question 9

The presence of a Mercurian magnetic field surprised the planetary scientists on the Mariner 10 team because

Accepted Answer

A)  Mercury is low in iron. 
B)  Mercury spins too rapidly to produce a stable dynamo. 
C)  it's still too hot for its core to have differentiated. 
D)  the dynamo theory predicted that Mercury was spinning too slowly for one. 
E)  Mercury lacks an iron core. 
A)  Mercury is low in iron. 
B)  Mercury spins too rapidly to produce a stable dynamo. 
C)  it's still too hot for its core to have differentiated. 
D)  the dynamo theory predicted that Mercury was spinning too slowly for one. 
E)  Mercury lacks an iron core.

Question 10

The apparent "surface" of Jupiter is actually the tops of ________.

Accepted Answer

The answer of The apparent "surface" of Jupiter is actually...

Question 11

Evidence of liquid water in Mars' distant past suggests that it had a substantial atmosphere compared to what it has presently. What happened to its water vapor?

Accepted Answer

A)  The carbon dioxide in its atmosphere dissolved in the water and combined with surface rocks. 
B)  Its atmosphere was mostly hydrogen and helium. Mars' gravity is too weak to hold them. 
C)  The water vapor has frozen out into the polar ice caps and permafrost as Mars has cooled. 
D)  Mars initially had such a large greenhouse effect that the atmosphere became quite hot and slowly escaped. 
E)  It has now all been lost in space, including the carbon dioxide and water vapor. 
A)  The carbon dioxide in its atmosphere dissolved in the water and combined with surface rocks. 
B)  Its atmosphere was mostly hydrogen and helium. Mars' gravity is too weak to hold them. 
C)  The water vapor has frozen out into the polar ice caps and permafrost as Mars has cooled. 
D)  Mars initially had such a large greenhouse effect that the atmosphere became quite hot and slowly escaped. 
E)  It has now all been lost in space, including the carbon dioxide and water vapor.

Question 12

The main constituent of the Martian atmosphere is

Accepted Answer

A)  hydrogen. 
B)  helium. 
C)  methane. 
D)  carbon dioxide. 
E)  nitrogen. 
A)  hydrogen. 
B)  helium. 
C)  methane. 
D)  carbon dioxide. 
E)  nitrogen.

Question 13

Why does Saturn radiate even more excess energy than Jupiter?

Accepted Answer

A)  Saturn is still radiating heat left over from its formation. 
B)  Saturn's thick cloud layer contributes to a larger greenhouse effect. 
C)  Helium rain gives off heat as it differentiates toward Saturn's center. 
D)  Saturn's atmosphere contains much methane, creating a large greenhouse effect. 
E)  Saturn can fuse hydrogen into helium in its core, like the Sun. 
A)  Saturn is still radiating heat left over from its formation. 
B)  Saturn's thick cloud layer contributes to a larger greenhouse effect. 
C)  Helium rain gives off heat as it differentiates toward Saturn's center. 
D)  Saturn's atmosphere contains much methane, creating a large greenhouse effect. 
E)  Saturn can fuse hydrogen into helium in its core, like the Sun.

Question 14

Where is most of the water on Mars believed to be?

Accepted Answer

In the polar caps an

Question 15

Running water continues to be the major erosive factor of Mars today.

Accepted Answer

A) True 
 B)False

Question 16

If jovian moons harbor life, this life is likely to resemble what terrestrial organisms?

Accepted Answer

A)  Bacteria 
B)  Extremophiles 
C)  Dolphins 
D)  Moss 
E)  Dinosaurs 
A)  Bacteria 
B)  Extremophiles 
C)  Dolphins 
D)  Moss 
E)  Dinosaurs

Question 17

Life is thought to be unlikely in subsurface oceans, such as those in Europa, because sunlight does not reach these oceans.

Accepted Answer

A) True 
 B)False

Question 18

Uranus' rotation axis is tipped over 98 degrees, so its magnetosphere is tipped over the same amount.

Accepted Answer

A) True 
 B)False

Question 19

In 1989, Neptune was found to have a huge storm named the

Accepted Answer

A)  South Tropical Disturbance. 
B)  Great Red Spot. 
C)  Great Dark Spot. 
D)  Hellas Basin. 
E)  Galileo Regio. 
A)  South Tropical Disturbance. 
B)  Great Red Spot. 
C)  Great Dark Spot. 
D)  Hellas Basin. 
E)  Galileo Regio.

Question 20

Saturn's magnetic field is weaker than Jupiter's because it has less ________.

Accepted Answer

The answer of Saturn's magnetic field is weaker than Jupiter's...

In what ways do the magnetic fields of both Uranus and Neptune defy the conventional Dynamo Theory for planetary magnetic fields?

What is the main constituent of the atmosphere of Venus?

Most of Mars' water is now locked in a ________ layer below the surface.

Which planet had the Great Dark Spot in 1989, but had lost it by 1995?

Neptune and Uranus have a bluish tint because

Compare and contrast the magnetospheres of Earth and Jupiter. Discuss strength and reaction to solar winds.

That the Tharsis region on Mars has so few craters

The ________ hemisphere of Mars is lower, smoother, and younger than the other one.

The presence of a Mercurian magnetic field surprised the planetary scientists on the Mariner 10 team because

The apparent "surface" of Jupiter is actually the tops of ________.

Evidence of liquid water in Mars' distant past suggests that it had a substantial atmosphere compared to what it has presently. What happened to its water vapor?

The main constituent of the Martian atmosphere is

Why does Saturn radiate even more excess energy than Jupiter?

Where is most of the water on Mars believed to be?

Running water continues to be the major erosive factor of Mars today.

If jovian moons harbor life, this life is likely to resemble what terrestrial organisms?

Life is thought to be unlikely in subsurface oceans, such as those in Europa, because sunlight does not reach these oceans.

Uranus' rotation axis is tipped over 98 degrees, so its magnetosphere is tipped over the same amount.

In 1989, Neptune was found to have a huge storm named the

Saturn's magnetic field is weaker than Jupiter's because it has less ________.

The Night Sky

Light and Telescopes

The Solar System

Earth and Its Moon

Small Bodies in the Solar System

Formation of Planetary Systems

The Sun

Measuring the Stars

Star Formation and Evolution

Stellar Explosions

Black Holes

The Milky Way Galaxy

Galaxies

Cosmology and the Universe

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Exam 5: The Eight Planets

In what ways do the magnetic fields of both Uranus and Neptune defy the conventional Dynamo Theory for planetary magnetic fields?

What is the main constituent of the atmosphere of Venus?

Most of Mars' water is now locked in a ________ layer below the surface.

Which planet had the Great Dark Spot in 1989, but had lost it by 1995?

Neptune and Uranus have a bluish tint because

Compare and contrast the magnetospheres of Earth and Jupiter. Discuss strength and reaction to solar winds.

That the Tharsis region on Mars has so few craters

The ________ hemisphere of Mars is lower, smoother, and younger than the other one.

The presence of a Mercurian magnetic field surprised the planetary scientists on the Mariner 10 team because

The apparent "surface" of Jupiter is actually the tops of ________.

Evidence of liquid water in Mars' distant past suggests that it had a substantial atmosphere compared to what it has presently. What happened to its water vapor?

The main constituent of the Martian atmosphere is

Why does Saturn radiate even more excess energy than Jupiter?

Where is most of the water on Mars believed to be?

Running water continues to be the major erosive factor of Mars today.

If jovian moons harbor life, this life is likely to resemble what terrestrial organisms?

Life is thought to be unlikely in subsurface oceans, such as those in Europa, because sunlight does not reach these oceans.

Uranus' rotation axis is tipped over 98 degrees, so its magnetosphere is tipped over the same amount.

In 1989, Neptune was found to have a huge storm named the

Saturn's magnetic field is weaker than Jupiter's because it has less ________.

The Night Sky

Light and Telescopes

The Solar System

Earth and Its Moon

Small Bodies in the Solar System

Formation of Planetary Systems

The Sun

Measuring the Stars

Star Formation and Evolution

Stellar Explosions

Black Holes

The Milky Way Galaxy

Galaxies

Cosmology and the Universe

Filters