https://xkcd.com/2908

Alt text:

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

    • @Frozengyro@lemmy.world
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      18 months ago

      I’ve heard that in feet they originally measured it to 29000 exactly. But they added 2 feet so people didn’t think they were estimating the height.