Issue Date: June 21, 2010
The Moon Is ‘Wetter’ Than First Believed
Geologists studying moon rocks have found evidence that water once existed on the lunar surface at levels 100 times greater than previously thought (Proc. Natl. Acad. Sci. USA, DOI: 10.1073/pnas.1006677107). Using secondary ion mass spectrometry, Francis M. McCubbin and coworkers at Carnegie Institution for Science, in Washington, D.C., looked for hydroxyl groups in the mineral apatite from lunar samples collected during Apollo missions in the 1970s. The team extrapolated . . .
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