News tagged with dark energy

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Hubble rules out one alternative to dark energy

(PhysOrg.com) -- Astronomers using NASA's Hubble Space Telescope have ruled out an alternate theory on the nature of dark energy after recalculating the expansion rate of the universe to unprecedented accuracy.

dateMar 14, 2011 in Astronomy
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Study explains the mystery of ball lightning

(Phys.org)—Sightings of ball lightning have been made for centuries around the world – usually the size of a grapefruit and lasting up to twenty seconds – but no explanation of how it occurs has been universally accepted ...

dateOct 12, 2012 in General Physics
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Are we closing in on dark matter?

As the search for dark matter intensifies, the Kavli Institute for Cosmological Physics at the University of Chicago and the National Academy of Sciences organized a colloquium that brings together cosmologists, particle ...

dateDec 18, 2012 in General Physics
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