Question 1

Martian volcanoes are _______________ volcanoes with gradual slopes.

Accepted Answer

The answer of Martian volcanoes are _______________ volcanoes with gradual...

Question 2

Which is a characteristic Venus shares with Earth?

Accepted Answer

A)  Both planets have an ozone layer within their atmospheres. 
B)  Both planets rotate clockwise on their axes. 
C)  Both planets have a uniform circulation within their atmospheres. 
D)  Both planets are still geologically active. 
E)  Both planets have heavily cratered surfaces. 
A)  Both planets have an ozone layer within their atmospheres. 
B)  Both planets rotate clockwise on their axes. 
C)  Both planets have a uniform circulation within their atmospheres. 
D)  Both planets are still geologically active. 
E)  Both planets have heavily cratered surfaces.

Question 3

The very large size of Olympus Mons indicates that Mars has ____.

Accepted Answer

A)  plate tectonics 
B)  no plate tectonics 
C)  a thick atmosphere 
D)  a molten core 
E)  a very active surface 
A)  plate tectonics 
B)  no plate tectonics 
C)  a thick atmosphere 
D)  a molten core 
E)  a very active surface

Question 4

Phobos and Deimos are believed to be captured ____.

Accepted Answer

A)  comets 
B)  planetesimals 
C)  planetoids 
D)  asteroids 
E)  meteorites 
A)  comets 
B)  planetesimals 
C)  planetoids 
D)  asteroids 
E)  meteorites

Question 5

Mars probably has a large solid core surrounded by a thin shell of liquid core material in which the _______________ is unable to generate a magnetic field.

Accepted Answer

The answer of Mars probably has a large solid core...

Question 6

Signs of cratering dominate the surface of Venus.

Accepted Answer

A) True 
 B)False

Question 7

Which statement best describes the greenhouse effect?

Accepted Answer

A)  infrared radiation escapes into space. 
B)  ultraviolet radiation enters a planet's atmosphere producing a green haze 
C)  visible radiation is trapped by the atmosphere. 
D)  infrared radiation is trapped by the atmosphere. 
E)  oxygen escapes from the atmosphere. 
A)  infrared radiation escapes into space. 
B)  ultraviolet radiation enters a planet's atmosphere producing a green haze 
C)  visible radiation is trapped by the atmosphere. 
D)  infrared radiation is trapped by the atmosphere. 
E)  oxygen escapes from the atmosphere.

Question 8

Venus rotates once every _______________ Earth days.

Accepted Answer

The answer of Venus rotates once every _______________ Earth days....

Question 9

What are coronae on the surface of Venus?

Accepted Answer

A)  ice trapped at the poles 
B)  subduction zones creating jagged mountains 
C)  peaks of the highlands 
D)  features left by rising convection currents 
E)  the basin of an impact crater 
A)  ice trapped at the poles 
B)  subduction zones creating jagged mountains 
C)  peaks of the highlands 
D)  features left by rising convection currents 
E)  the basin of an impact crater

Question 10

How did the Martian soil become so heavily oxidized, giving it the reddish hue?

Accepted Answer

The reddish color of

Question 11

With no water and a thick, slow-moving lower atmosphere, there is little erosion on Venus

Accepted Answer

A) True 
 B)False

Question 12

The Venusian cloud layer extends no higher than about 15 km above the surface.

Accepted Answer

A) True 
 B)False

Question 13

Why do scientists believe Venus lacks plate tectonics?

Accepted Answer

True plate tectonics are apparently not

Question 14

Radar maps provide information about _______________, roughness and in some cases, chemical composition of a planet's surface.

Accepted Answer

The answer of Radar maps provide information about _______________, roughness...

Question 15

Describe those surface features that indicate water once flowed on Mars.

Accepted Answer

Two kinds of formations hint at water fl

Question 16

What evidence in Mars's atmosphere supports the idea that Mars once had flowing, liquid water?

Accepted Answer

The abundant presence of deuterium in th

Question 17

Which characteristic of Venus has led many to call it the "sister planet" to Earth?

Accepted Answer

A)  Venus and Earth have very similar atmospheres. 
B)  Venus is almost the same size as Earth. 
C)  Venus and Earth have liquid water on the surface. 
D)  Venus is the same distance from the Sun as Earth. 
E)  Venus and Earth have composite volcanoes. 
A)  Venus and Earth have very similar atmospheres. 
B)  Venus is almost the same size as Earth. 
C)  Venus and Earth have liquid water on the surface. 
D)  Venus is the same distance from the Sun as Earth. 
E)  Venus and Earth have composite volcanoes.

Question 18

What makes up the bulk of the atmosphere of Venus?

Accepted Answer

A)  hydrogen 
B)  carbon dioxide 
C)  argon 
D)  water vapor 
E)  sulfuric acid 
A)  hydrogen 
B)  carbon dioxide 
C)  argon 
D)  water vapor 
E)  sulfuric acid

Question 19

Venus is 95 percent the diameter of Earth.

Accepted Answer

A) True 
 B)False

Question 20

The canals on Mars are filled with liquid water.

Accepted Answer

A) True 
 B)False

Martian volcanoes are _______________ volcanoes with gradual slopes.

Which is a characteristic Venus shares with Earth?

The very large size of Olympus Mons indicates that Mars has ____.

Phobos and Deimos are believed to be captured ____.

Mars probably has a large solid core surrounded by a thin shell of liquid core material in which the _______________ is unable to generate a magnetic field.

Signs of cratering dominate the surface of Venus.

Which statement best describes the greenhouse effect?

Venus rotates once every _______________ Earth days.

What are coronae on the surface of Venus?

How did the Martian soil become so heavily oxidized, giving it the reddish hue?

With no water and a thick, slow-moving lower atmosphere, there is little erosion on Venus

The Venusian cloud layer extends no higher than about 15 km above the surface.

Why do scientists believe Venus lacks plate tectonics?

Radar maps provide information about _______________, roughness and in some cases, chemical composition of a planet's surface.

Describe those surface features that indicate water once flowed on Mars.

What evidence in Mars's atmosphere supports the idea that Mars once had flowing, liquid water?

Which characteristic of Venus has led many to call it the "sister planet" to Earth?

What makes up the bulk of the atmosphere of Venus?

Venus is 95 percent the diameter of Earth.

The canals on Mars are filled with liquid water.

Here and Now

A User S Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

Origin of the Solar System and Extrasolar Planets

Earth the Active Planet

The Moon and Mercury: Comparing Airless Worlds

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Meteorites Asteroids and Comets

Astrobiology: Life on Other Worlds

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Exam 13: Venus and Mars

Martian volcanoes are _______________ volcanoes with gradual slopes.

Which is a characteristic Venus shares with Earth?

The very large size of Olympus Mons indicates that Mars has ____.

Phobos and Deimos are believed to be captured ____.

Mars probably has a large solid core surrounded by a thin shell of liquid core material in which the _______________ is unable to generate a magnetic field.

Signs of cratering dominate the surface of Venus.

Which statement best describes the greenhouse effect?

Venus rotates once every _______________ Earth days.

What are coronae on the surface of Venus?

How did the Martian soil become so heavily oxidized, giving it the reddish hue?

With no water and a thick, slow-moving lower atmosphere, there is little erosion on Venus

The Venusian cloud layer extends no higher than about 15 km above the surface.

Why do scientists believe Venus lacks plate tectonics?

Radar maps provide information about _______________, roughness and in some cases, chemical composition of a planet's surface.

Describe those surface features that indicate water once flowed on Mars.

What evidence in Mars's atmosphere supports the idea that Mars once had flowing, liquid water?

Which characteristic of Venus has led many to call it the "sister planet" to Earth?

What makes up the bulk of the atmosphere of Venus?

Venus is 95 percent the diameter of Earth.

The canals on Mars are filled with liquid water.

Here and Now

A User S Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

Origin of the Solar System and Extrasolar Planets

Earth the Active Planet

The Moon and Mercury: Comparing Airless Worlds

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Meteorites Asteroids and Comets

Astrobiology: Life on Other Worlds

Filters