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Supernovae, an accelerating universe and the cosmological constant

Authors :
Kirshner, Robert P.
Source :
Proceedings of the National Academy of Sciences of the United States. April 13, 1999, Vol. 96 Issue 8, p4224, 4 p.
Publication Year :
1999

Abstract

Observations of supernova explosions halfway back to the Big Bang give plausible evidence that the expansion of the universe has been accelerating since that epoch, approximately 8 billion years ago and suggest that energy associated with the vacuum itself may be responsible for the acceleration.

Details

ISSN :
00278424
Volume :
96
Issue :
8
Database :
Gale General OneFile
Journal :
Proceedings of the National Academy of Sciences of the United States
Publication Type :
Academic Journal
Accession number :
edsgcl.54576670