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"We already had moon rocks on Earth, blasted off of the moon by bolide strikes." True, but they (and any other meteorites) were likely sterilized during passag
by mcswell 5y ago
"We already had moon rocks on Earth, blasted off of the moon by bolide strikes." True, but they (and any other meteorites) were likely sterilized during passage through the Earth's atmosphere.
- ncmncm 5y agoIt only takes a few minutes to get from the top of the atmosphere to the ground, not long enough to sterilize more than the surface.