data suggests that the formation and retention of OH and H2O is an ongoing surficial process. OH/H2O production processes may feed polar cold traps and make the lunar regolith a candidate source of volatiles for human exploration.
don't they know comets only hit the earth?
18 posted on 09/23/2009 11:04:40 PM PDT by AndrewC
19 posted on 09/24/2009 8:19:13 PM PDT by SunkenCiv
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