Explorations: An Introduction to Astronomy (Arny), 7th Edition

Chapter 7: The Moon

Questions for Review

1
Describe a crater and how it is formed. Why do some craters contain maria?
2
How do the maria differ from the highlands?
3
What are lunar rilles? What are rays?
4
What formed the maria? Why are they smooth?
5
What is regolith? How does it form?
6
List the structure and composition of the Moon from surface to core. How is it different from Earth's?
7
Why does the Moon lack an atmosphere?
8
List two ways to measure the distance to the Moon.
9
How do astronomers think the Moon formed? What supports this theory? How does the theory explain why the Earth and Moon have such different densities?
10
Why is the Moon's surface heavily cratered but the Earth's is not?
11
How are tides formed on the Earth?
12
Why does the Moon form two tidal bulges on the Earth?
13
Describe the Moon's rotation. How has it been affected by tidal interaction with the Earth?
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