You can say that again...Firstly, peer reviewed does not automatically make it right.
So Ganymede hasn't changed in 4 billion years?Ganymede is roughly the same age as the Earth, 4.5 billions years. Has it grown in size by an appreciable (ie more than say 5%) in the last 4 billion years? No.
What caused it to stop growing?
Scientists tell a different story. See OP you are ignoring.
Not sure how it would even be possible for Ganymede to maintain a fixed radius given there are no subduction zones on Ganymede.
Martin, P., et al. (2008), Why does plate tectonics occur only on Earth?, Physics Education, 43, Pages 144-150
Evidence? Source? Link? Reference? Citation? Didn't think so.It grew to almost it's present size during the formative stage of the solar system, ie the first few hundred million years.
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