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Supernovae, an accelerating universe and the cosmological constant
- 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