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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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Zapping away space junk

Planet Earth is surrounded. Thousands of tons of dangerous space debris circle in low orbit, threatening serious damage, even death, if any were to strike the International Space Station. A proposal by a research team that ...

dateApr 27, 2015 in Space Exploration
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