'Hey Bill Nye, Why Don't Gas Giants Have Gas Moons?' #TuesdaysWithBill

A very small person asks a very big question: why aren't the moons of gaseous planets also made of gas?
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Transcript - Aria: Hi Bill Nye. My name is Aria. My question is where does all moons come from and why does gas giants not have gas moons?
Bill Nye: Wow. That is a great question Aria. Wow. First of all I was alive when people figured out or satisfied themselves as were our moon came from. And it's generally agreed that our moon was created when the earth was hit with another pretty big thing, another asteroid. And the impact was very hard and the energy of the smashing was converted to heat and both the earth and the moon were hot and molten and they both cooled off and here we are with this other separate thing in orbit around us. Now why do gas giants not have gas moons is a great question and the answer is almost certainly because of gravity. Read Full Transcript Here: .