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Cosmology

Cosmology

A cosmic hall of mirrors

26 Sep 2005

Most astronomers think that the universe is infinite, but recent measurements suggest that it could be finite and relatively small. Indeed, as Jean-Pierre Luminet describes, we could be living in an exotic universe shaped rather like a football

Lost in space
At a Glance: Cosmic topology • There are three possibilities for the curvature of the univer

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