Just look at the compression in 3D (resistance to existing motion) instead of just in up/down 2D space and your analogy still works, even in space.
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TrousersMcPants@lemmy.world 2 weeks ago
The main difference between swimming and flying is basically just how compressible the fluid you’re moving through is, so it’s not that different really. Although I guess you can fly through space so my attempt to sound clever kind of falls through, huh?
fmstrat@lemmy.nowsci.com 1 week ago
mEEGal@lemmy.world 2 weeks ago
you’re mostly right !
you can fly through space, but not like a bird flies through air or sharks swim in water; “swimming” in space is way weirder.
I can’t find it, but there’s a video on PBS Space Time where they talk about how that could work