top | item 43527407 (no title) drewolbrich | 11 months ago The Moon's tidal forces are already slowing down the rotation period of the Earth, which was apparently only 5 hours long about 4.5 billion years ago. discuss order hn newest qnleigh|11 months ago Yes, but when you consider the combined system of the earth and everything that affects its orbit, angular momentum is conserved.
qnleigh|11 months ago Yes, but when you consider the combined system of the earth and everything that affects its orbit, angular momentum is conserved.
qnleigh|11 months ago