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Published online 2 November 2002 | Nature | doi:10.1038/news021028-13

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Rummaging through Earth's attic for remains of ancient life

Lunar rocks retain memories long since lost down here.

The surface of the moon is spattered with over 8 million tonnes of the Earth, astronomers have estimated. A mission to collect and study this planetary shrapnel could provide unique insights into the origins of life and the planets, they say1.

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