News tagged with cosmological constant
South Pole Telescope hones in on dark energy, neutrinos
Analysis of data from the 10-meter South Pole Telescope is providing new support for the most widely accepted explanation of dark energy — the source of the mysterious force that is responsible for the ...
Apr 02, 2012 |
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Why we've got the cosmological constant all wrong
(PhysOrg.com) -- Some scientists call the cosmological constant the "worst prediction of physics." And when today’s theories give an estimated value that is about 120 orders of magnitude larger than the ...
Mar 05, 2012 |
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Why Einstein was wrong about being wrong
If you want to get your mind around the research that won three astronomers the Nobel Prize in physics last week, it helps to think of the universe as a lump of dough - raisin-bread dough, to be precise - mixed, kneaded and ...
Oct 14, 2011 |
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In Brief: Study backs Einstein notion on expanding universe
Scientists have found new evidence that an idea Albert Einstein regretted ever having may be key to solving a big mystery: why the universe is expanding at an ever-faster clip.
Nov 24, 2010 |
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Searching for dark energy with the whole world's supernova dataset
The international Supernova Cosmology Project (SCP), based at the U.S. Department of Energy's Lawrence Berkeley National Laboratory, has announced the Union2 compilation of hundreds of Type Ia supernovae, ...
Apr 21, 2010 |
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Einstein's theory fights off challengers (w/ Video)
(PhysOrg.com) -- Two new and independent studies have put Einstein's General Theory of Relativity to the test like never before. These results, made using NASA's Chandra X-ray Observatory, show Einstein's ...
Apr 14, 2010 |
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Refined Hubble Constant narrows explanations for dark energy
Whatever dark energy is, explanations for it have less wiggle room following a Hubble Space Telescope observation that has refined the measurement of the universe's present expansion rate to a precision where ...
May 07, 2009 |
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