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Published online 1 September 2006 | Nature | doi:10.1038/news060828-15
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Begging a crust
NASA has a lot of moon rock, but is it enough?
There's an unassuming building at the Johnson Space Center in Houston, Texas, that is home to some exceedingly precious rubble: more than 300 kilograms of lunar rock.
The grey fragments of Moon range from fine grains of sand to rocks the size of basketballs.
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