I know I’m not the first one to wonder, but really…

    • Lith@lemmy.sdf.org
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      1 year ago

      I’m talking out my ass here but I think outer space literally meant “outer area” as in the area outside of our planet, and we’re so used to that term that it’s turned into the proper noun Space. Earth (or whatever celestial body is your current frame of reference) is implied to be the inner space.

      • intensely_human@lemm.ee
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        1 year ago

        Like maybe “outer space” was a thinner layer out at the edge of the World? Before we realized it was vast?