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2016-06-22T10:00:17+08:00
Different ideas about origin of earth

-on ancient times peoples believed the Earth was at the center of the universe.

-according to the ideas of the ancient Greeks Ptolemy and Aristotle, the stars were fixed on crystal spheres and the sun and planets went around the earth.

- the closest in explaining how Earth was evolved is the big bang theory suggest that the earth started to exist at the time solar system originates

- Copernicus also suggested that earth and planets went round the sun instead. when Galileo was invented the telescope, he proved the idea of Copernicus and he did to spread over the world. when Newton worked about the gravity theory then he able to describe mathematically how earth and planets orbit the sun.

other theories explaining how earth was originated.
*Binary star theory - earth is a star.
*Planettisimal theory -
*dust cloud theory - made up of dust cloud.
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