May 12, 2010
Physics Fun Fact of the Day - May 12
According to the laws of gravity, the moon technically does not orbit the Earth. The two bodies actually both orbit around their common centre of gravity, which is located 1,000 miles beneath the surface of the Earth and is on a straight line between the centres of the Earth and moon. The centre of the Earth makes a small circle around that centre of gravity every 27 1/3 days.
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment