7 Sep
2007
7 Sep
'07
11:58 a.m.
On 9/7/07, Bill Gosper <rwmgosper@yahoo.com> wrote:
it gives off more heat than the sun provides.(!)
Well, that's probably true: a big planet like that is still slowly leaking out the heat from the potential -> kinetic energy of the gravity of its formation. Plus (at least in Jupiter, I don't know about Saturn) some heat also is/was produced by fusion of deuterium ... --Joshua