Moontanman Posted February 27, 2014 Share Posted February 27, 2014 Can the universe be thought of as an expanding surface of a 4D sphere? If so could it be rotating and so be the cause of phenomena like pinwheel galaxies that resemble things on the surface of a rotating 3D sphere like a hurricane? Just a random idea, sorry if it's stupid... Link to comment Share on other sites More sharing options...
pears Posted February 27, 2014 Share Posted February 27, 2014 Rotating relative to what? Link to comment Share on other sites More sharing options...
imatfaal Posted February 27, 2014 Share Posted February 27, 2014 The curvature of the universe has been shown to be very very small - the WMAP latest data shows that it is close to flat. Link to comment Share on other sites More sharing options...
Moontanman Posted February 28, 2014 Author Share Posted February 28, 2014 Rotating relative to what? Other universes if you dig the multi universe hypothesis... The curvature of the universe has been shown to be very very small - the WMAP latest data shows that it is close to flat. I see, I had to ask and i am still not getting updates.... Link to comment Share on other sites More sharing options...
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