Question 1

____________________ formed as Mercury cooled and shrank.

Accepted Answer

The answer of ____________________ formed as Mercury cooled and shrank....

Question 2

The greenhouse effect keeps Venus hot because

Accepted Answer

A)  the atmosphere contains free oxygen. 
B)  the atmosphere is predominantly carbon dioxide. 
C)  the surface converts infrared into visible radiation. 
D)  the surface is free of sulfur compounds. 
E)  the magnetic field traps a large number of particles from the solar wind. 
A)  the atmosphere contains free oxygen. 
B)  the atmosphere is predominantly carbon dioxide. 
C)  the surface converts infrared into visible radiation. 
D)  the surface is free of sulfur compounds. 
E)  the magnetic field traps a large number of particles from the solar wind.

Question 3

Coronae on Venus are believed to be

Accepted Answer

A)  impact craters. 
B)  caused by rising convection currents in the interior of Venus. 
C)  the result of plate tectonics. 
D)  located only in the polar regions of Venus. 
E)  much older than the highlands such as Ishtar Terra. 
A)  impact craters. 
B)  caused by rising convection currents in the interior of Venus. 
C)  the result of plate tectonics. 
D)  located only in the polar regions of Venus. 
E)  much older than the highlands such as Ishtar Terra.

Question 4

What do astronomers generally believe about the origin of Mars's moons?

Accepted Answer

A)  They formed with the planet out of the protoplanetary material. 
B)  They formed elsewhere and were captured at a later time. 
C)  They were ejected from Mars during its formation. 
D)  They were once a single moon and a later catastrophic event broke them in two. 
A)  They formed with the planet out of the protoplanetary material. 
B)  They formed elsewhere and were captured at a later time. 
C)  They were ejected from Mars during its formation. 
D)  They were once a single moon and a later catastrophic event broke them in two.

Question 5

The theory that Mercury shrank slightly when it was young has been proposed to explain

Accepted Answer

A)  extended lava plains. 
B)  large craters. 
C)  magnetic field. 
D)  lobate scarps. 
E)  regolith. 
A)  extended lava plains. 
B)  large craters. 
C)  magnetic field. 
D)  lobate scarps. 
E)  regolith.

Question 6

How is the greenhouse effect on Venus different to the same effect on Earth?

Accepted Answer

​ Sunlight filters down through the clou

Question 7

The atmosphere of ____________________ contains acid compounds including sulfuric and hydrochloric acid.

Accepted Answer

The answer of The atmosphere of ____________________ contains acid compounds...

Question 8

_____________ is a very long and deep canyon on Mars.

Accepted Answer

A)  Valles Marineris 
B)  Ishtar Terra 
C)  Tharsis Bulge 
D)  Lobate Scarp 
E)  Phobos 
A)  Valles Marineris 
B)  Ishtar Terra 
C)  Tharsis Bulge 
D)  Lobate Scarp 
E)  Phobos

Question 9

Which object has the most intense sunlight on it?

Accepted Answer

A)  Mercury 
B)  Venus 
C)  Earth 
D)  Mars 
A)  Mercury 
B)  Venus 
C)  Earth 
D)  Mars

Question 10

Explain the differences between composite and shield volcanoes.

Accepted Answer

​ 
Composite volcanoes form above subduc

Question 11

The size of the volcanoes on Mars indicate that Mars has a(n) ____________________ crust than Earth.

Accepted Answer

The answer of The size of the volcanoes on Mars...

Question 12

Astronomers on Earth are able to measure the rotation of Venus by using optical telescopes to watch surface markings as rotation carries them across the disk of Venus.

Accepted Answer

A) True 
 B)False

Question 13

The absence of folded mountain ranges on Mars suggests that it has been subjected to plate tectonics.

Accepted Answer

A) True 
 B)False

Question 14

Outgassing produces gas rich in carbon dioxide, nitrogen, and water vapor.

Accepted Answer

A) True 
 B)False

Question 15

The graph below plots the escape velocity of each planet along the vertical axis and its surface temperature along the horizontal. The lines plotted in the figure are the speeds of the fastest gas particles as a function of temperature for various gases. Which of the gases plotted in the diagram could be retained in the atmosphere of Mars?

Accepted Answer

A)  only CO2 
B)  only NH3 
C)  CO2, NH3, and O2 
D)  only H2 
E)  H2 and He 
A)  only CO2 
B)  only NH3 
C)  CO2, NH3, and O2 
D)  only H2 
E)  H2 and He

Question 16

Venus is the planet closest to Earth in mass.

Accepted Answer

A) True 
 B)False

Question 17

Why did the atmosphere of Venus develop differently from that of Earth?

Accepted Answer

Calculations show that Venus and Earth s

Question 18

The largest volcano found on one of the terrestrial planets is ____________________.

Accepted Answer

The answer of The largest volcano found on one of...

Question 19

Evaluate the evidence that Mars had a liquid water past.

Accepted Answer

Several types of formations hint at Mart

Question 20

If you went to Mars, would you have to wear a space suit? Explain why or why not.

Accepted Answer

​ 
Liquid water cannot survive on the su

____________________ formed as Mercury cooled and shrank.

The greenhouse effect keeps Venus hot because

Coronae on Venus are believed to be

What do astronomers generally believe about the origin of Mars's moons?

The theory that Mercury shrank slightly when it was young has been proposed to explain

How is the greenhouse effect on Venus different to the same effect on Earth?

The atmosphere of ____________________ contains acid compounds including sulfuric and hydrochloric acid.

_____________ is a very long and deep canyon on Mars.

Which object has the most intense sunlight on it?

Explain the differences between composite and shield volcanoes.

The size of the volcanoes on Mars indicate that Mars has a(n) ____________________ crust than Earth.

Astronomers on Earth are able to measure the rotation of Venus by using optical telescopes to watch surface markings as rotation carries them across the disk of Venus.

The absence of folded mountain ranges on Mars suggests that it has been subjected to plate tectonics.

Outgassing produces gas rich in carbon dioxide, nitrogen, and water vapor.

Venus is the planet closest to Earth in mass.

Why did the atmosphere of Venus develop differently from that of Earth?

The largest volcano found on one of the terrestrial planets is ____________________.

Evaluate the evidence that Mars had a liquid water past.

If you went to Mars, would you have to wear a space suit? Explain why or why not.

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

Earth and Moon: Bases for Comparative Planetology

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

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Exam 17: Mercury, Venus, and Mars

____________________ formed as Mercury cooled and shrank.

The greenhouse effect keeps Venus hot because

Coronae on Venus are believed to be

What do astronomers generally believe about the origin of Mars's moons?

The theory that Mercury shrank slightly when it was young has been proposed to explain

How is the greenhouse effect on Venus different to the same effect on Earth?

The atmosphere of ____________________ contains acid compounds including sulfuric and hydrochloric acid.

_____________ is a very long and deep canyon on Mars.

Which object has the most intense sunlight on it?

Explain the differences between composite and shield volcanoes.

The size of the volcanoes on Mars indicate that Mars has a(n) ____________________ crust than Earth.

Astronomers on Earth are able to measure the rotation of Venus by using optical telescopes to watch surface markings as rotation carries them across the disk of Venus.

The absence of folded mountain ranges on Mars suggests that it has been subjected to plate tectonics.

Outgassing produces gas rich in carbon dioxide, nitrogen, and water vapor.

Venus is the planet closest to Earth in mass.

Why did the atmosphere of Venus develop differently from that of Earth?

The largest volcano found on one of the terrestrial planets is ____________________.

Evaluate the evidence that Mars had a liquid water past.

If you went to Mars, would you have to wear a space suit? Explain why or why not.

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

Earth and Moon: Bases for Comparative Planetology

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters