Where is the center of mass of the Earth-Moon system? Detailed answer

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Where is the center of mass of the Earth-Moon system? Detailed answer

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Where is the center of mass of the Earth-Moon system?

The center of mass of the Earth-Moon system, the so-called barycenter, is located at a distance of 4672 kilometers from the center of the Earth towards the Moon, that is, at a depth of approximately 1700 kilometers below the Earth's surface.

Strictly speaking, it is not the Earth that moves in an elliptical orbit around the Sun, but the barycenter, while the Earth and the Moon rotate relative to the barycenter, making a complete revolution per lunar month.

Author: Kondrashov A.P.

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