barycenter

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(′bar·ə′sen·tər)

(astronomy) The center of gravity of the earth-moon system.
(mathematics) The center of mass of a system of finitely many equal point masses distributed in euclidean space in such a way that their position vectors are linearly independent.


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The center of mass of a system of massive bodies and the point around which the system orbits. The barycenter of the Earth-Moon system is actually located inside our planet.

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