September 27, 2010
Detailed calculations have shown that for a relatively wide range in the values of the above three parameters, stars could still form. However, in a universe with much stronger gravity, there wouldn't be enough time for complexity (and life) to arise.
As developments in cosmology and string theory have led astrophysicsts to consider the concept of a "multiverse," they've also considered how some of these universes could have constants of nature that differe from those in our universe.
Photo by Astronomy: Roen Kelly
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