Probing Cosmic Geometry Suggests the Universe is Flat
MAY 01, 1987
DOI: 10.1063/1.2820017
The tug of gravity is gradually slowing down the general Hubble expansion of the cosmos. We don’t, however, have a good observational fix on the rate of this universal deceleration. In particular, we don’t know whether we’re slowing to an ultimate halt, to be followed by a recontraction to a “Big Crunch,” or whether the Hubble expansion will go on forever.
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© 1987 American Institute of Physics
