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.

  • @topherclay
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    148 months ago

    I think part of it is that Mt Everest is a lot smaller than you’d think when you’re looking at this scale. The moon is only 2% of the Earths volume so when you spread it over the Earths surface it’s really like a thin thin film to cover the whole surface. But the truth is that all of human experience is an even thinner film smeared across the surface.

    • Gloomy
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      28 months ago

      How is 43 km of moon armor a thin surface by any means?

        • Gloomy
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          8 months ago

          Yeah, but from surface to space it’s ruthly 100 km, so 43 km is quite the cover. Then again, I get what you are saying. I gues it’s a matter of perspective.

        • @[email protected]
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          18 months ago

          Ah I see. Although the comic spreads the moon “relatively”, it presents it absolutely. Although interesting in by itself it does feels it’s missing something.