[meteorite-list] Shielding of the Moon by earth

[Rob Matson]

Hi Melanie,

> I see, but the other side of the moon does look a lot more
> heavily cratered than that "shielded" by Earth...

I suspect this has more to do with the relative ages of the
surfaces than the cratering rates. Maria are nearly absent
from the lunar farside, and the nearside Maria have erased
the evidence of earlier impact cratering.  --Rob