/u/TheCookieMonster's posts
If lower gravity means lower atmospheric pressure, is flight easier on a smaller Earth-like planet or a larger one?
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If the "fuel adds weight which needs more fuel" problem means rockets already require 20 times as much weight in fuel as the payload just to get into low earth orbit, would a slightly larger planet mean civilizations can't get to space? What size planet is the limit?
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Would carbon black from "rolling coal" be better for climate change than CO2 released from properly combusting the fuel?
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