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They can "swim" If they're "dragging" in atmo, and they have some power source (solar would be fairly trivial), perhaps they can have some sort of propulsion system that leverages that for station...
Answer
#1: Attribution notice removed
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System
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2020-12-01T17:59:13Z (about 4 years ago)
Source: https://worldbuilding.stackexchange.com/a/163328 License name: CC BY-SA 4.0 License URL: https://creativecommons.org/licenses/by-sa/4.0/