Question 1

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

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Question 2

Seasonal changes in the darker surface features of Mars are due to ________.

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Question 3

Because it can support huge Olympus Mons,and does not show tectonics on the scale of Earth,we conclude the crust of Mars must be ________ than ours.

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Question 4

Which hemisphere on Mars is believed to be older,and what is the evidence?

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Question 5

The vast flood deposits support the hypothesis that Mars once had much running water.Assuming that Mars did have water once,what happened to it?

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Question 6

It used to be thought that both of Mars' moons were captured asteroids.Information from Mars Express and Mars Global Surveyor has led to the conclusion that Phobos may have formed by a different process.Briefly describe that process.

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Question 7

If Mars' atmosphere is mostly carbon dioxide,why isn't it as hot as Venus?

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Question 8

Why are telescopic observers so obsessed with observing Mars?

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Question 9

Describe the primary difference between the northern and southern hemispheres on Mars.

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Question 10

Mars and Mercury are similar in size,and Mercury is even denser.Why then is it that Mars has more atmosphere?

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Question 11

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

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Question 12

Why do oppositions of Mars stir such interest among amateur astronomers?

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Question 13

Compare the days,seasons,and years of Mars and Earth.

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Question 14

Why does Mars appear red from Earth's surface?

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Question 15

The Earth's orbital eccentricity does not play a major role in our seasons,for perihelion occurs in January.Is this true on Mars also?

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Question 16

Why do we know much more about the surface of Mars than that of Venus?

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Question 17

Olympus Mons is the tallest (volcanic)mountain in the entire solar system.Explain how Mars can have mountains taller than the ones on Earth.

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Question 18

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

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Question 19

How is the Mars Rover mission different from Global Surveyor mapping mission?

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Question 20

What is the evidence that suggests the past and present existence of surface water on Mars?

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Quiz 10: Mars: A Near Miss for Life?