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Heavyweight galaxies puzzle astronomers
Apr 02, 2009 |
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(PhysOrg.com) -- Astronomers have discovered large galaxies some two thirds of the way back in time to the big bang. This surprising find casts doubt on theories of how the biggest galaxies form.
Looking for the quantum properties of the Big Bang
Jun 13, 2008 |
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“General relativity doesn’t recognize quantum physics,” Martin Bojowald tells PhysOrg.com. And that, he insists, causes problems when it comes to understanding the evolution of the universe from the Big Bang: “You get to ...
The cosmic comic: Riding early waves
Space & Earth / Space Exploration
Aug 05, 2009 |
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(PhysOrg.com) -- Fundamental research in cosmology continues to disclose ever more mysteries of the first millennia of the universe. More detailed knowledge will be delivered by the recently launched Planck ...
'Dropouts' pinpoint earliest galaxies
Nov 06, 2009 |
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Astronomers, conducting the broadest survey to date of galaxies from about 800 million years after the Big Bang, have found 22 early galaxies and confirmed the age of one by its characteristic hydrogen signature ...
'Big crunch' or another 'Big Bang?'
Aug 16, 2009 |
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Will the universe expand outward for all of eternity and end in a vast, dark, cold, sterile, diffuse nothingness? Or will the “Big Bang” — the gargantuan explosion that formed the universe 14 billion years ...
COBE Satellite Marks 20th Anniversary
Space & Earth / Space Exploration
Nov 17, 2009 |
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(PhysOrg.com) -- NASA's Cosmic Background Explorer (COBE) satellite rocketed into Earth orbit on Nov. 18, 1989, and quickly revolutionized our understanding of the early cosmos. Developed and built at Goddard ...
Austria to pull out of European CERN institute
May 07, 2009 |
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Austria is pulling out of the European Organisation for Nuclear Research (CERN), Science Minister Johannes Hahn announced Thursday, citing budget concerns.
Researchers interpret asymmetry in early universe
Dec 16, 2008 |
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(PhysOrg.com) -- The Big Bang is widely considered to have obliterated any trace of what came before. Now, astrophysicists at the California Institute of Technology (Caltech) think that their new theoretical ...
Spallation Neutron Source sends first neutrons to 'Big Bang' beam line
Oct 09, 2008 |
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New analytical tools coming on line at the Spallation Neutron Source, the Department of Energy's state-of-the-art neutron science facility at Oak Ridge National Laboratory, include a beam line dedicated to ...
Planck Satellite ready to measure the Big Bang
May 11, 2009 |
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(PhysOrg.com) -- The last tests of the Ariane 5 rocket system have been finished and ESA's Planck satellite is sitting ready for launch at the Guiana Space Centre in Kourou. Together with ESA's space telescope ...
Hot tips for the Big Bang
Sep 09, 2008 |
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As the world waits for the start of the biggest physics experiment ever undertaken, the Institute of Physics (IOP)’s Chief Executive has taken a punt on three hot tips for what will happen after switch-on of the Large Hadron ...
Galaxy Clusters Have a Mysterious Motion
Sep 24, 2008 |
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(PhysOrg.com) -- The stars are in motion, and on a much larger scale than can be explained with current theories, according to astronomers at NASA, the University of Hawaii and UC Davis. The finding could improve our understanding ...
Has PAMELA Already Seen Dark Matter?
Aug 25, 2009 |
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(PhysOrg.com) -- Back in 2006, PAMELA (a Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics) was launched with the purpose of detecting cosmic radiation and looking for clues pointing ...
Before the Big Bang: A Twin Universe?
Apr 09, 2008 |
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Until very recently, asking what happened at or before the Big Bang was considered by physicists to be a religious question. General relativity theory just doesn’t go there – at T=0, it spews out zeros, infinities, ...
Texas School Standards: Age of the Universe Erased
Apr 07, 2009 |
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(PhysOrg.com) -- The fight over the new education and curriculum standards for the public schools in Texas has been long and publicized. Most of the publicity, though, focuses on the school board's focus on ...
