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dgmoffat
Guest
I have a question about the expansion of space.<br /><br />If space is expanding everywhere continuously then the space in which the Earth is sitting must be expanding. But the individual atoms of the Earth do not move apart because they are held toegther by gravity and other forces.This mean that those atoms are, in effect, moving down hill in order to maintain heir relative distance from each other. <br /><br />But when matter moves downhill potential energy is convered to kinetic energy so there must be a continuous injection of kinetic energy into the Earth by this effect. Is this theory correct and has anyone tried to estimate the amount of energy?<br /><br />Also, of course, where does that energy come from?