Question 1

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 2

Measurements of the magnetic field of Venus reveal that the

Accepted Answer

A)  planet has a large iron core. 
B)  interior of the planet is molten. 
C)  planet has no detectable magnetic field. 
D)  planet rotates backwards. 
E)  magnetic field is responsible for large auroral displays (northern lights) on Venus. 
A)  planet has a large iron core. 
B)  interior of the planet is molten. 
C)  planet has no detectable magnetic field. 
D)  planet rotates backwards. 
E)  magnetic field is responsible for large auroral displays (northern lights) on Venus.

Question 3

Radar maps of Venus show impact craters.

Accepted Answer

A) True 
 B)False

Question 4

What physical property of Venus is vastly dissimilar compared to Earth?

Accepted Answer

A)  radius 
B)  mass 
C)  density 
D)  surface temperature 
A)  radius 
B)  mass 
C)  density 
D)  surface temperature

Question 5

Evaluate the evidence that Mars had a liquid water past.

Accepted Answer

The answer of Evaluate the evidence that Mars had a...

Question 6

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

Accepted Answer

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

Question 7

Lobate scarps are believed to have formed on Mercury when its interior cooled and shrank.

Accepted Answer

A) True 
 B)False

Question 8

The terrestrial planet with the most effective greenhouse effect is ____________________.

Accepted Answer

The answer of The terrestrial planet with the most effective...

Question 9

What evidence do we have that the crust of Mercury has been impacted in the past?

Accepted Answer

The evidence that the crust of Mercury h

Question 10

Explain the differences between composite and shield volcanoes.

Accepted Answer

The answer of Explain the differences between composite and shield...

Question 11

Which Terrestrial planet has the combination of most rapid rotation, liquid interior, and strongest magnetic field?

Accepted Answer

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

Question 12

Describe Venus's surface features which are similar to those on Earth and those which are different. Why the differences?

Accepted Answer

Venus, similar to Earth, has surface fea

Question 13

Why is carbon dioxide important in maintaining a greenhouse effect?

Accepted Answer

The answer of Why is carbon dioxide important in maintaining...

Question 14

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 15

Which of the following supports the idea that the Martian crust is not divided into moving plates like those on Earth?

Accepted Answer

A)  I & II 
B)  II & III 
C)  II, III & IV 
D)  I, II, & III 
E)  I, II, III, & IV 
A)  I & II 
B)  II & III 
C)  II, III & IV 
D)  I, II, & III 
E)  I, II, III, & IV

Question 16

Which terrestrial planet has the highest-pressure (thickest) atmosphere?

Accepted Answer

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

Question 17

That Mercury has a large iron core is evidenced by

Accepted Answer

A)  the large lobate scarps. 
B)  the large mean density of Mercury. 
C)  the lava flows near Caloris Basin. 
D)  all of the above. 
E)  none of the above. 
A)  the large lobate scarps. 
B)  the large mean density of Mercury. 
C)  the lava flows near Caloris Basin. 
D)  all of the above. 
E)  none of the above.

Question 18

One hypothesis suggested to explain the uniform age of the surface of Venus is that

Accepted Answer

A)  Venus's surface is 4 billion years old and has not been affected by flooding or slow evolution. 
B)  Venus's surface is made of rocks that are much harder than Earth's and thus last longer. 
C)  Venus periodically goes through a catastrophic melting of its entire surface. 
D)  Venus's clouds protect it from meteorites so that very few impacts occur to change its surface. 
E)  dust storms deposit large amount of dust on the surface, making it appear of uniform age. 
A)  Venus's surface is 4 billion years old and has not been affected by flooding or slow evolution. 
B)  Venus's surface is made of rocks that are much harder than Earth's and thus last longer. 
C)  Venus periodically goes through a catastrophic melting of its entire surface. 
D)  Venus's clouds protect it from meteorites so that very few impacts occur to change its surface. 
E)  dust storms deposit large amount of dust on the surface, making it appear of uniform age.

Question 19

Which one of the phrases below is the current explanation of why the surface of Venus is so hot?

Accepted Answer

A)  Venus's poor reflectivity 
B)  the action of the greenhouse effect caused by carbon dioxide 
C)  always keeping the same face turned toward the sun 
D)  the action of the greenhouse effect caused by hydrogen 
A)  Venus's poor reflectivity 
B)  the action of the greenhouse effect caused by carbon dioxide 
C)  always keeping the same face turned toward the sun 
D)  the action of the greenhouse effect caused by hydrogen

Question 20

Which of the solar system objects listed below is most similar to Earth in terms of mass and density?

Accepted Answer

A)  Mercury 
B)  the moon 
C)  Venus 
D)  Mars 
E)  Deimos 
A)  Mercury 
B)  the moon 
C)  Venus 
D)  Mars 
E)  Deimos

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

Measurements of the magnetic field of Venus reveal that the

Radar maps of Venus show impact craters.

What physical property of Venus is vastly dissimilar compared to Earth?

Evaluate the evidence that Mars had a liquid water past.

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

Lobate scarps are believed to have formed on Mercury when its interior cooled and shrank.

The terrestrial planet with the most effective greenhouse effect is ____________________.

What evidence do we have that the crust of Mercury has been impacted in the past?

Explain the differences between composite and shield volcanoes.

Which Terrestrial planet has the combination of most rapid rotation, liquid interior, and strongest magnetic field?

Describe Venus's surface features which are similar to those on Earth and those which are different. Why the differences?

Why is carbon dioxide important in maintaining a greenhouse effect?

Which of the following supports the idea that the Martian crust is not divided into moving plates like those on Earth?

Which terrestrial planet has the highest-pressure (thickest) atmosphere?

That Mercury has a large iron core is evidenced by

One hypothesis suggested to explain the uniform age of the surface of Venus is that

Which one of the phrases below is the current explanation of why the surface of Venus is so hot?

Which of the solar system objects listed below is most similar to Earth in terms of mass and density?

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

The Origin of the Solar System

Earth and Moon: Bases for Comparative Planetology

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

Exam 17: Mercury, Venus and Mars

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

Measurements of the magnetic field of Venus reveal that the

Radar maps of Venus show impact craters.

What physical property of Venus is vastly dissimilar compared to Earth?

Evaluate the evidence that Mars had a liquid water past.

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

Lobate scarps are believed to have formed on Mercury when its interior cooled and shrank.

The terrestrial planet with the most effective greenhouse effect is ____________________.

What evidence do we have that the crust of Mercury has been impacted in the past?

Explain the differences between composite and shield volcanoes.

Which Terrestrial planet has the combination of most rapid rotation, liquid interior, and strongest magnetic field?

Describe Venus's surface features which are similar to those on Earth and those which are different. Why the differences?

Why is carbon dioxide important in maintaining a greenhouse effect?

Which of the following supports the idea that the Martian crust is not divided into moving plates like those on Earth?

Which terrestrial planet has the highest-pressure (thickest) atmosphere?

That Mercury has a large iron core is evidenced by

One hypothesis suggested to explain the uniform age of the surface of Venus is that

Which one of the phrases below is the current explanation of why the surface of Venus is so hot?

Which of the solar system objects listed below is most similar to Earth in terms of mass and density?

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

The Origin of the Solar System

Earth and Moon: Bases for Comparative Planetology

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters