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Astronomers are a little unsure of the applicability of this index, but NASA's Planetary Protection Officer is all in favor.
this post was submitted on 19 Mar 2024
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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.
How is 43 km of moon armor a thin surface by any means?
Consider that the earth is ~12700 km in diameter
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.