what gives energy to the moon to orbit around the earth at the required velocity

Asked by yucktron | 17th Nov, 2010, 12:00: AM

Expert Answer:

Dear student
 The Sun's gravitational pull on the Moon is over twice as great as the Earth's pull on the Moon; and it is this pull which keeps the moon in its trajectory around the earth. As the Moon revolves around the Earth, the Earth-Moon system moves around the Sun.
The earth-moon system forms a binary system. Both revolve in circles about the common centre of mass. The centre of mass of the earth-moon system revolves around the Sun in elliptical path.
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Answered by  | 18th Nov, 2010, 05:54: PM

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