Supernovae, an accelerating universe and the cosmological constant.
Proc Natl Acad Sci U S A
; 96(8): 4224-7, 1999 Apr 13.
Article
em En
| MEDLINE
| ID: mdl-10200242
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.
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MEDLINE
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En
Ano de publicação:
1999
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Article