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Originally Posted by hhEb09'1
You mean, active plate-tectonic-wise, right? Obviously, smaller objects can be geologically (volcanically active)Over what timescale?
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A planet cools down sure, outgassing drives volcanoes but sooner or later it is going to freeze. Mars is already frozen. Moons that are being squeezed in gravity fields of gas giants remain active, however our own quite large moon has long since stopped being geologically active.
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plenty of woo, at the hotel hoagaland...
Last edited by transreality; 15-October-2007 at 12:36 PM..
Reason: format
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