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Upvoting both of you for referencing The Expanse (And the books, i.e Leviathan Wakes)... It's so good to see something that resembles hard-sci-fi on television.

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The Expanse does resemble hard sci-fi. But besides the issue of gravity, its especially the issue of water (ice) where they seem to deviate from reality.

Basically Ceres is made out of ice - why would they need ice haulers to bring ice there; how could there possibly be a water shortage?

This is already covered in the book. The water ice on Ceres had already been used up in the colonisation efforts of Earth and then later: Mars.

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