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atomfullerene t1_irpdlhd wrote

> I feel like smaller bubbles rise slower

This intuitively makes sense to me...buoyant forces of a bubble are related to volume, but the amount of water that has to move out of the way for the bubble to rise is related to cross sectional area. It takes force for water to move out of the way.... it's got inertia and viscosity after all (Hi Reynold's Number!) so bigger bubbles should rise faster.

I bet there's all sorts of neat bubble physics on exoplanets, given the variety of pressures, temperatures, gravities, and fluids present.

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crazunggoy47 OP t1_irpf37g wrote

Good point about the square-cube discrepancy here.

And yes, there surely are bubbles nearly everywhere there is liquid. Presumably on Europa (water), Enceladus (water), and Titan (methane), just to name a few.

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