Submitted by flipitninja t3_y90uo6 in askscience
spider-bro t1_it8yxdy wrote
Reply to comment by RobusEtCeleritas in Does smells gather into a sphere in zero gravity like liquid does? by flipitninja
In order for gas to stick together in a stable sphere, there needs to be enough gas in total that the mass of all the gas makes enough gravity to keep individual gas particles from achieving escape velocity at their temperature.
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