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Physics, Astronomy & Cosmology / What drives the rotation of galaxies and stellar bodies?
« on: 02/10/2008 07:45:16 »
I was doing a little boning-up on the Theory of Relativity and it discussed how large objects cause distortions in the fabric of space-time, which in turn causes gravity and explains space orbits. However, what drives the rotation of galaxies, say for example a spiral galaxy? Is it residual motion left over from the Big Bang? Or is it being affected by some other force?