
What is tidal locking?
Daniel and Kelly’s Extraordinary Universe
00:00
The Moon's Spin
If the moon is not spinning, then you would see different sides of it. The only way for us to not be able to see part of the moon is for its spin to be perfectly synced up with its orbit so that as it goes around the earth, it turns just the right amount every second. Like if the back side of the shoe is always facing the earth because the shoe itself is spinning at just the right rate as it went around the earth. And this is the sort of coincidence we were talking about. like these two numbers, the rate at which the moon goes around theearth and the rate atwhich the moon spins around its axis have to be perfectlysynced up to
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