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One idea is that a really cold world doesn't have to be a dead world. Bowlturner is right that moisture in the air or snow is going to knock out the dust pretty fast, and so you'll have to replenis...
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#1: Attribution notice removed
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System
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2021-03-30T23:53:16Z (over 3 years ago)
Source: https://worldbuilding.stackexchange.com/a/36723 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/