Answers to Readers' Questions on Keplers Laws - Astronomy. Also refer to physics, astronomy, Copernicus, circular, elliptical orbit, ellipse, space, stars, Sun, planets, satellites, Earth, Jupiter, astronomical unit, AU, Ron Kurtus, School for Champions. Copyright © Restrictions
Answers to Readers' Questions on Keplers Laws
The following 1 questions have been answered. They are listed according to date.
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Is it possible for the Earth to be in a perfect circular orbit?
Question
December 3, 2008
i was told by a friend that it is imposible for the earth to revolve around the sun in a perfect circle , is this true? If it is why can't it?
nicole - UK
16898
Answer
The orbit of the Earth around the Sun is almost a circle. The gravitational attraction from other planets pulls the Earth out of a circular orbit into a varying elliptical orbit.
If there were no other planets in the solar system and we did not have the Moon, it would be possible for the Earth to be in a perfect circular orbit.
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Answers to Readers' Questions on Keplers Laws