Universe stepped on the gas 5 billion years ago

It was originally assumed that the expansion of the universe had been slowing down ever since a burst of inflation shortly after the big bang, around 14 billion years ago. However, in 1998, astronomers scouring distant galaxies for stellar explosions called Type1a supernovae found that light from th...

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Bibliographic Details
Published in:New scientist (1971) 2003-10, Vol.180 (2417), p.17-17
Main Author: Kamat, Sharmila
Format: Magazinearticle
Language:English
Subjects:
Dark energy
Expanding universe theory
Space telescopes
Supernovae
Online Access:Get full text
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Summary:It was originally assumed that the expansion of the universe had been slowing down ever since a burst of inflation shortly after the big bang, around 14 billion years ago. However, in 1998, astronomers scouring distant galaxies for stellar explosions called Type1a supernovae found that light from these stars was dimmer than they expected, suggesting that the expansion is speeding up.
ISSN:0262-4079
2059-5387