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quote:Originally posted by ukmicky]If I placed a blob of molten iron in space would it remain a blob of molten iron
quote: and on a similar vein how did the earth cool off in the beginning when it was a ball of molten rock. The heat energy must have been converted into something else maybe another form of energy as it is conserved and cant be destroyed but as their is nothing in the vacuum of space for the heat energy to transfer to where did it go.
quote: don't forget that the centre of the Earth is still pretty hot.