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Is the nature of the Moon's core known? Solid? Molten?
Does the Moon have a mantle?
Is the magnitude of the tidal motion of the Moon's surface known?
For that matter is the magnitude of the tidal motion of the Earth's mantle
known?
Which has the greater effect on the Moon's orbit the Earth's oceans or its
mantel?
...
The Moon's equatorial diameter is greater then its polar diameter (like the
Earth), but it has an even greater diameter in the direction of the Earth,
then it does at right angles to it, a permanent tidal bulge. ...
The Earth has a land tide as well as an ocean tide. It is much smaller
the order of cm instead of meters.
But if memory serves, the ocean tides
account for only about half of the energy loss associated with the slowing
of the earth's rotation.