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Old 25 February 2014, 11:18 PM
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Richard W Richard W is offline
Join Date: 19 February 2000
Location: High Wycombe, UK
Posts: 26,403

I didn't realise that the steady state theory post-dated general relativity by such an amount. For some reason I'd thought all the different ideas about collapsing or expanding or steady universes started about the same time (indeed, as a result - or at least were there already). I knew they were all potentially valid solutions to the equations, and I knew that people were still working out all the consequences of general relativity for decades after, but hadn't put those facts together. Cosmology was never my strong point...

It's not really a controversy or a surprise in the sense they're trying to imply, though. Einstein was a theoretical physicist and these different states are all theoretically valid according to his ideas. I guess I would have assumed he went with the consensus as far as observation was concerned, but it's not surprising that he considered the other possibilities. It would be more surprising to me if he hadn't.
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