NAME:
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"What If We Had No Moon" (Assignment Discovery video) v3
1.
What are the reasons for discarding each of these moon-formation theories?
a. It formed at the same time as the solar system: no, because...
b. It was captured as a rogue moon: no, because
c. It spun off as a molten blob from the equator: no, because...
2.
How many pounds of moon rocks did the Apollo astronauts bring back to Earth?
3. Why was the search for a Genesis Rock on the moon doomed to failure?
4.
What other examples are there in the solar system as evidence of huge planetary collisions?
a.
b.
C.
d.
5. For every giant collision with the moon, how many were there that struck Earth?
6. What data did the computer simulation come up with about the size of "Orpheus" and the angle and
speed at which it struck Earth?
7. How long did the impact itself take, and how long did it take for the debris resulting from that
collision to form the Moon?
8. How did the rings of the Jovian planets form?
9. What will eventually happen to the rings of Saturn and the rings of the other Jovian planets?
10. Right after the Moon's formation, how many times bigger did it look like in the sky?
11. What did ocean waves look like at that time?
12. How much stronger were the tides on land and sea at that time?
13. How do we know Earth's day was shorter then?
14. What is the rate the Moon is moving away from Earth?
a. How do we know?
b. Why is this happening?
15. What will this mean for solar eclipses in the far distant future?
How short was it?