All Questions
8
questions
4
votes
1
answer
164
views
Would the Moon move away if the Earth were frozen with no liquid tide?
The moon is moving further from the Earth. To the extent that after 600 million years we will no longer enjoy full solar eclipses as it will be too far away to completely block the sun.
The reason the ...
- 141
0
votes
2
answers
1k
views
Is the Moon's rotation affected by Earth's?
There is a lot written on the moon affecting the Earth's rotation but not so much the other way around.
I know that moon has its own rotation:
Tidal locking is the phenomenon by which a body has ...
- 357
3
votes
1
answer
651
views
Is moon in perfect tidal lock with earth?
Moon appears to be facing its same side to earth throughout its orbit around earth.
This is said to be because of tidal locking , i.e. the moon rotates at the same rate as it revolves around the ...
- 838
1
vote
3
answers
329
views
Would a non-rotating Earth collapse on the Sun?
If the earth stopped rotating on its axis, would this influence its revolution motion? In particular, could it collapse on the sun? I ask this because on the one hand I thought the two degrees of ...
- 1,793
2
votes
1
answer
113
views
How did the Moon survive next to the Earth since earth and Moon came into existence?
What mechanism(s) prevented the gravitational effect of the earth on the moon from shattering the moon when it was closer to the earth than the Roche Limit some 4.5 billion years ago?
- 49
0
votes
1
answer
1k
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Does the Moon have rotation about its axis?
As I understand, the Moon is following Earth's curved space. If that's the case, shouldn't the Moon have no rotation if it's tidally locked, and only appear to have rotation?
If the Earth suddenly ...
- 161
2
votes
3
answers
8k
views
True or false: the Moon was touching the Earth 1.2 billion years ago
A creationist website makes this argument for the 6,000 year old earth. I'm embarrassed to say I don't know how to do the math to evaluate the claim myself. However, the time scales involved seems ...
- 21
4
votes
4
answers
2k
views
Angular momentum power plant on Earth
If tidal power plants are slowing down Earth's rotation then is it theoretically possible to build a power plant that would drain energy from Earth's angular momentum (thus slowing down it's rotation)?...
- 1,928