Question 1

Hollows are peculiar pits found at the center of some craters on

Accepted Answer

A)   Venus.
B)   our Moon.
C)   Mercury.
D)   Mars.
E)   Earth.F) B) and C)
G) None of the above

Question 2

The greatest rift valley system yet found is _ _ on Mars.

Accepted Answer

The answer of The greatest rift valley system yet found...

Question 3

When are Mercury and Venus easiest to observe from Earth? Why? How much of then can we see at that time?

Accepted Answer

At greatest elongations, they ...

Question 4

As with the lunar mare and Earth's ocean basins, the chief rock in the low plains of Venus is .

Accepted Answer

The answer of As with the lunar mare and Earth's...

Question 5

Which of the following characterizes a shield volcano?

Accepted Answer

A)   It cannot get as high as Mt. Everest before the thin crust starts slumping.
B)   It sits above a hot spot in the planet's mantle.
C)   It is formed by moving tectonic plates.
D)   It can erupt only briefly before being dragged off the hot spot.
E)   It cannot grow very large, for it has a very short span of eruption.F) A) and B)
G) A) and D)

Question 6

The giant Borealis basin around the Martian north pole may have formed due to an impact with an asteroid twice the size of Ceres.

Accepted Answer

A) True 
 B)False

Question 7

In age, the surface of Venus is much than even the lunar mare.

Accepted Answer

The answer of In age, the surface of Venus is...

Question 8

Mercury's surface most resembles which of these?

Accepted Answer

A)   Mars' deserts
B)   Venus' polar regions
C)   the lunar mare
D)   the lunar far side
E)   the Earth's desertsF) B) and D)
G) B) and C)

Question 9

The density of Mars is very similar to that of the other terrestrial planets.

Accepted Answer

A) True 
 B)False

Question 10

Mars is often called a "midway world," similar in some respects to Earth, and in others to our Moon. Explain.

Accepted Answer

Like our Moon, much of Mars is ancient c...

Question 11

The ALH84001 meteorite, discovered in Antarctica, came from , and suggests it may once have had life.

Accepted Answer

The answer of The ALH84001 meteorite, discovered in Antarctica, came...

Question 12

Contrast the atmosphere of Venus with its clouds.

Accepted Answer

The atmosphere is almost entirely carbon...

Question 13

Running water played a major role in shaping Mars in ancient times.

Accepted Answer

A) True 
 B)False

Question 14

The scarps on Mercury were probably caused by

Accepted Answer

A)   the crust cooling and shrinking.
B)   volcanism.
C)   meteorite bombardment.
D)   a tidal bulge.
E)   tectonic activity.F) All of the above
G) C) and D)

Question 15

Why were the Russian Venera spacecraft so important to our understanding of Venus?

Accepted Answer

They were the first spacecraft...

Question 16

Our Moon and Mars both show very different hemispheres. Compare them and explain why this occurred in each case.

Accepted Answer

The far side of our Moon and southern he...

Question 17

Which of these gets so bright as to be seen in daylight at times?

Accepted Answer

A)   Jupiter
B)   Mars
C)   Venus
D)   Saturn
E)   MercuryF) A) and C)
G) C) and D)

Question 18

The largest difference between Mars' northern and southern hemispheres is that

Accepted Answer

A)   the northern has all the outflows and must have been much hotter.
B)   the southern has a polar cap, but none ever forms in the north.
C)   the northern is higher overall, despite some high volcanoes in the south.
D)   the southern appears older, with more impact craters.
E)   the southern is much darker, with large mare- like basaltic lava flows.F) C) and E)
G) A) and D)

Question 19

Unlike our Moon and Mars, all the impact craters found on Venus are in size.

Accepted Answer

The answer of Unlike our Moon and Mars, all the...

Question 20

The seasonal polar caps on Mars, which grow and shrink over the year, are primarily carbon dioxide.

Accepted Answer

A) True 
 B)False

Exam 7: The Terrestrial Planets: a Study in Contrasts

Which of these gets so bright as to be seen in daylight at times?

Correct AnswerverifiedShow Answer

The largest difference between Mars' northern and southern hemispheres is that

Correct AnswerverifiedShow Answer

Mars is often called a "midway world," similar in some respects to Earth, and in others to our Moon. Explain.

Correct AnswerverifiedLike our Moon, much of Mars is ancient c...View AnswerShow Answer

The greatest rift valley system yet found is _ _ on Mars.

Correct AnswerverifiedShow Answer

Mercury's surface most resembles which of these?

Correct AnswerverifiedShow Answer

The seasonal polar caps on Mars, which grow and shrink over the year, are primarily carbon dioxide.

Correct AnswerverifiedShow Answer

Running water played a major role in shaping Mars in ancient times.

Correct AnswerverifiedShow Answer

Our Moon and Mars both show very different hemispheres. Compare them and explain why this occurred in each case.

Correct AnswerverifiedThe far side of our Moon and southern he...View AnswerShow Answer

The scarps on Mercury were probably caused by

Correct AnswerverifiedShow Answer

In age, the surface of Venus is much than even the lunar mare.

Correct AnswerverifiedShow Answer

As with the lunar mare and Earth's ocean basins, the chief rock in the low plains of Venus is .

Correct AnswerverifiedShow Answer

The ALH84001 meteorite, discovered in Antarctica, came from , and suggests it may once have had life.

Correct AnswerverifiedShow Answer

The giant Borealis basin around the Martian north pole may have formed due to an impact with an asteroid twice the size of Ceres.

Correct AnswerverifiedShow Answer

Which of the following characterizes a shield volcano?

Correct AnswerverifiedShow Answer

When are Mercury and Venus easiest to observe from Earth? Why? How much of then can we see at that time?

Correct AnswerverifiedAt greatest elongations, they ...View AnswerShow Answer

Unlike our Moon and Mars, all the impact craters found on Venus are in size.

Correct AnswerverifiedShow Answer

Hollows are peculiar pits found at the center of some craters on

Correct AnswerverifiedShow Answer

Why were the Russian Venera spacecraft so important to our understanding of Venus?

Correct AnswerverifiedThey were the first spacecraft...View AnswerShow Answer

The density of Mars is very similar to that of the other terrestrial planets.

Correct AnswerverifiedShow Answer

Contrast the atmosphere of Venus with its clouds.

Correct AnswerverifiedThe atmosphere is almost entirely carbon...View AnswerShow Answer

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Like our Moon, much of Mars is ancient c...
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The far side of our Moon and southern he...
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At greatest elongations, they ...
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They were the first spacecraft...
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The atmosphere is almost entirely carbon...
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