Senin, 20 Desember 2010

Earth formed

Earth formed about 4.6 billion years ago, when our solar system began to form around the sun. Born from a star that exploded yaang called supernovae, the star of the new collecting dust and gas swirling around it. As the sun began to heat up, began to accumulate material orbiting each other to form a protoplanet collided with the tug of gravity.

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