My Assistant
GLAST / Fermi and gamma-ray bursters |
Jan 24 2009, 08:22 PM
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 1688 Joined: 5-March 05 From: Boulder, CO Member No.: 184 |
Just wondering if there's any discussion about new gamma-ray observations and what they may say about high-energy physics. I've heard bits and pieces about how gamma-ray bursters can be used to probe the nature of quantum gravity in terms of a vacuum refractive index. This has to do with delay times in gamma-ray burst photons according to wavelength.
Secondly, I've heard rumors about some type of gamma-ray burst measurements that could contradict the dark-energy hypothesis (perhaps a distance-luminosity relation measurement). Perhaps the new Fermi space observatory will help with some fresh observations. Steve P.S. And here's another unmanned yet non-planetary thread -------------------- Steve [ my home page and planetary maps page ]
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| Guest_PhilCo126_* |
Feb 20 2009, 07:48 AM
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Guests |
Our newspapers have a story about FERMI observing the "biggest explosion" ever in the Universe at 12 Billion light years away with the force of 9000 Black Holes...
Observation was made in September 2008 http://www.nasa.gov/mission_pages/GLAST/main/index.html |
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Feb 20 2009, 09:44 PM
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Member ![]() ![]() ![]() Group: Members Posts: 115 Joined: 8-January 05 From: Austin | Texas Member No.: 138 |
Our newspapers have a story about FERMI observing the "biggest explosion" ever in the Universe at 12 Billion light years away with the force of 9000 Black Holes... Observation was made in September 2008 http://www.nasa.gov/mission_pages/GLAST/main/index.html They caught a good picture of the afterglow -- this might deserve its own thread. |
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scalbers GLAST / Fermi and gamma-ray bursters Jan 24 2009, 08:22 PM
dvandorn Just had a thought -- maybe GRBs are generated whe... Feb 21 2009, 02:15 AM
imipak QUOTE (dvandorn @ Feb 21 2009, 02:15 AM) ... Feb 24 2009, 07:27 PM
scalbers I see they noticed a 16.5 second delay in the burs... Feb 21 2009, 04:09 PM![]() ![]() |
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