5
votes
Does the Moon really go around the Earth?
The two body problem trajectory of the Earth and the Moon can equally well be approximated by the Moon orbiting the Earth in an ellipse with the Earth at one of the foci. Interestingly, the two body ...
- 36.3k
2
votes
Accepted
A planet after a moon-generating impact
[OP] Nascent terrestrial planets quickly have their surfaces cool down. Formation of crust then yields formation of a figure to fossilise.
[OP, emphasis added] An answer to this question is defined by ...
- 538
2
votes
Eclipse Saros Cycle vs Nodal Precession Cycle
Attempting to answer my own question, here's what seems to be happening:
Since a Saros is slightly shorter than 18.6 years (the lunar nodes period of rotation), after 1 Saros cycle the nodes will be ...
- 149
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