"The earth will be tidal locking on the moon. By then, the moon will also be fixed directly above the same position on the surface of the earth. "

I wonder where this is a scientific paper or an open science. This is not right.

"The moon will also be fixed directly above the same position on the earth's surface." Obviously wrong.

Tidal locking won't come to the conclusion that "the moon will also be fixed directly above the same position on the earth's surface". Conclusion.

Tidal locking (or synchronous rotation, captive rotation) occurs when the gravitational gradient makes one celestial body face another celestial body with the same surface forever; For example, the moon always faces the same direction of the earth. It takes the same time for a celestial body in the tidal locking to rotate once on its own axis and once on its companion star. This synchronous rotation causes the hemisphere to be fixed towards its partner.

In fact, there are many such tidal locking in the celestial bodies of the solar system. For example, between the sun and mercury, between planets and satellites, and between other stars and planets outside the solar system, there will be such tidal locking phenomena.

In fact, there are many such tidal locking in the celestial bodies of the solar system. For example, between planets and satellites, and between other stars and planets outside the solar system, there will be such a tidal locking phenomenon. The gravity of the moon will cause two high tides and two low tides on the earth every day, which we call tides. Not only will there be tides in the oceans on the earth, but actually the lithosphere on the earth fluctuates by 60 cm every day, which is the so-called solid tide.

Geosynchronous satellite is a kind of artificially launched satellite, which is stationary above the equator relative to the earth.

Seen from the ground, the satellite remains motionless, so it is also called a geostationary satellite. From the outside of the earth, the angular velocity of satellite rotation is the same as that of the earth, so it is called geosynchronous satellite. In the usual calculation, we think that this is a uniform circular motion with a running period of about 24 hours. The altitude of geosynchronous satellites from the equator is about 36,000 kilometers, and the linear speed is about 3.08 kilometers per second.

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