Sure, the endless fields of craters are a clue, but it’s impressive nevertheless to read what a regular pounding the Moon is taking up there. It’s more impressive still to read that if you’ve got the right telescope, the pounding can actually be seen from Earth: in the past two and a half years, NASA’s Meteoroid Environment Office (I hope that office has the cool letterhead that it deserves) has visually observed over one hundred meteoroid impact explosions on the lunar surface. Article, map, and a cool little sci-fi-ish video loop are here.
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