Space/Science — HabitableZone

Space/Science » in reply to It's a good observation.

re: Driving mechanism?

Other than collisional formation I could only think of mass loss and outgassing with some colapsing for older comets. In the beginning formation of comets(some) aggregation would be the most prominent process for irregular shaping, I would think.

Now you got me wondering.
SteveS

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