“if the entire known Universe were represented by a full-sized football stadium (seating included), then the distance to the Andromeda Galaxy–the farthest we can see with our eyes in the dark of the cosmos–would be about three inches away…”
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Somehow that seems smaller than I assumed it must be
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How big would we be? :) How many people can fit in a chair in that visualization?
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I mean, you may think it's a long way down the road to the chemist, but that's just peanuts to space.
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