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The origin of the Moon and its composition

The Moon is thought to have formed from the debris of a small planet that collided with the Earth. Since the composition of other planets in the solar system differs from that of the Earth, it was expected that the Moon's ...

dateApr 09, 2015 in Space Exploration
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The solar system and beyond is awash in water

As NASA missions explore our solar system and search for new worlds, they are finding water in surprising places. Water is but one piece of our search for habitable planets and life beyond Earth, yet it links many seemingly ...

dateApr 08, 2015 in Astronomy
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