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CBSE Class 11-science Answered

Explain the motion of Earth-Moon system around the sun in terms of centre of mass concept.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

The moon revolves around the earth in a circular orbit and the earth goes around the sun in an elliptical orbit. Actually, the Earth-Moon system revolves about their common centre of mass in elliptical path.

As the mass of earth is very large as compared to that of the moon, the centre of mass of the Earth-Moon system lies within the earth and it appears that the moon revolves around the earth but the reality is that both revolve around their common centre of mass.
Answered by | 04 Jun, 2014, 03:23: PM

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