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Telescopes and space missions

Telescopes and space missions

Lunar rock sheds new light on the Moon

30 Jul 2004 Isabelle Dumé

An international team of geologists has measured the precise age and chemical composition of a meteorite from the Moon's Imbrium impact basin, sometimes called the right eye of the "man in the Moon". The results provide the best estimate yet of when the Moon and the Earth stopped being bombarded by large rocks and could therefore help scientists calculate with more certainty when life on Earth began (E Gnos et al. 2004 Science 305 657).

moon rock
The meteorite, called Sayh al Uhaymir (SaU) 169, weighs about 200 grams and was found in Oman in Jan

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