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4 questions with no upvoted or accepted answers
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?
Ignor Ramus's user avatar
0 votes
0 answers
44 views

Does earth revolution speed slowing down because of small drag from space is not empty?

I read that universe is not empty, in least dense parts has 1000 atoms per cubic meter, does that slow down earth speed? Why these atoms are there, why they are not attracted by surrounding gravity ...
22flower's user avatar
  • 613
0 votes
0 answers
41 views

Earth, Moon, gravitatioal pull

Does the gravitational pull that causes tides, also affect the Earth's land mass. Does it affect the atoms, molecules, is there a slight bulge to the actual Earth / Land itself?
Joe Saraceni's user avatar
0 votes
1 answer
25 views

What (and if) is the difference in the form of the tidal bulges on the Earth with a smooth surface and the rough surface as it actually is?

It's clear that on a smooth surface of a massive sphere $M$, covered with water, two bulges of water appear when it's rotating in sync with a satellite (a massive sphere with a substantially smaller ...
Deschele Schilder's user avatar