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scpg02
Joined: 22 Jul 2007
Posts: 221
Location: Sacramento
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 Posted: Sun Nov 25, 2007 3:53 am Post subject: Mankind 'shortening the universe's life' |
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Mankind 'shortening the universe's life'
By Roger Highfield, Science Editor
Last Updated: 12:01am GMT 21/11/2007
| Quote: | Forget about the threat that mankind poses to the Earth: our activities may be shortening the life of the universe too.
The startling claim is made by a pair of American cosmologists investigating the consequences for the cosmos of quantum theory, the most successful theory we have. Over the past few years, cosmologists have taken this powerful theory of what happens at the level of subatomic particles and tried to extend it to understand the universe, since it began in the subatomic realm during the Big Bang.
~snip~
New Scientist reports a worrying new variant as the cosmologists claim that astronomers may have accidentally nudged the universe closer to its death by observing dark energy, a mysterious anti gravity force which is thought to be speeding up the expansion of the cosmos.
The damaging allegations are made by Profs Lawrence Krauss of Case Western Reserve University in Cleveland, Ohio, and James Dent of Vanderbilt University, Nashville, who suggest that by making this observation in 1998 we may have caused the cosmos to revert to an earlier state when it was more likely to end. "Incredible as it seems, our detection of the dark energy may have reduced the life-expectancy of the universe," Prof Krauss tells New Scientist. |
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