txt.sour.is @<xkcd https://feeds.twtxt.net/xkcd/twtxt.txt> "**Moon Armor Index** Astronomers are a little unsure of the applicability of this index, but NASA's Planetary Protection Officer is all in favor ..."

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Sun, Mar 17 22:00 (6w ago)

Moon Armor Index

Astronomers are a little unsure of the applicability of this index, but NASA's Planetary Protection Officer is all in favor.

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