Search results for gamma ray bursts:
VLBA locates superenergetic bursts near giant black hole
Jul 02, 2009 |
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(PhysOrg.com) -- Using a worldwide combination of diverse telescopes, astronomers have discovered that a giant galaxy's bursts of very high energy gamma rays are coming from a region very close to the supermassive ...
A Brief Mystery: What are Short Gamma-ray Bursts?
Oct 21, 2008 |
4.4 / 5 (15) |
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For decades it was baffling. Out of the still night sky, astronomers peering through their telescopes would occasionally glimpse quick bursts of high-energy light popping off like flashbulbs at the far side ...
GROND takes off
Jul 09, 2007 |
3.3 / 5 (3) |
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A new instrument has seen First Light at the ESO La Silla Observatory. Equipping the 2.2-m MPI/ESO telescope, GROND takes images simultaneously in seven colours. It will be mostly used to determine distances of gamma-ray ...
Seeing the universe through gamma-ray eyes
Jul 09, 2008 |
4.4 / 5 (14) |
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The scientists have stopped holding their breath. Three weeks after the launch of the Gamma-ray Large Area Space Telescope (GLAST), researchers from Stanford University, the Stanford Linear Accelerator Center and elsewhere ...
The Quiet Explosion: Object intermediate between normal supernovae and gamma-ray bursts found
Jul 24, 2008 |
4.3 / 5 (12) |
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A European-led team of astronomers are providing hints that a recent supernova may not be as normal as initially thought. Instead, the star that exploded is now understood to have collapsed into a black hole, producing a ...
Swift, Fermi probe fireworks from a flaring gamma-ray star (Video)
Feb 10, 2009 |
4.6 / 5 (5) |
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(PhysOrg.com) -- Astronomers using NASA's Swift satellite and Fermi Gamma-ray Space Telescope are seeing frequent blasts from a stellar remnant 30,000 light-years away. The high-energy fireworks arise from ...
Detecting dirty bomb material with ESA gamma-ray technology
Oct 30, 2008 |
5 / 5 (2) |
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Thanks to ESA and UK technology transfer support, a British company has developed a device based on the gamma-ray detection equipment used in ESA’s Integral astronomy satellite to detect and identify the radioactive ...
Most efficient spectrograph to shoot the Southern skies
May 26, 2009 |
5 / 5 (5) |
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ESO's Very Large Telescope, Europe's flagship facility for ground-based astronomy, has been equipped with the first of its second generation instruments: X-shooter. It can record the entire spectrum of a celestial ...
Science with Integral -- 5 years on
Space & Earth / Space Exploration
Oct 17, 2007 |
4 / 5 (4) |
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With eyes that peer into the most energetic phenomena in the universe, ESA’s Integral has been setting records, discovering the unexpected and helping understanding the unknown over its first five years.
Astronomers explore 'last blank space' on map of the Universe
Oct 28, 2009 |
4.7 / 5 (30) |
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(PhysOrg.com) -- The most distant object ever discovered is described in this week's edition of the science journal Nature. Two international teams of astronomers report their observations of a gamma-ray burst ...
NASA GLAST Burst Monitor Powers Up Successfully
Space & Earth / Space Exploration
Jun 27, 2008 |
4.7 / 5 (7) |
1
NASA’s GLAST Burst Monitor (GBM) Instrument Operations Center in Huntsville, Ala., the focal point for observing gamma ray bursts, was alive with energy as scientists gathered to witness instrument activation the evening ...
Gamma Ray Delay May Be Sign of 'New Physics'
Oct 01, 2007 |
4.4 / 5 (41) |
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Delayed gamma rays from deep space may provide the first evidence for physics beyond current theories.
GLAST rocket arrives at Cape Canaveral
Space & Earth / Space Exploration
Feb 20, 2008 |
5 / 5 (1) |
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The first stage of the Delta II rocket to be used to launch the Gamma-Ray Large Area Space Telescope, or GLAST, has arrived at Cape Canaveral, Fla.
Dissecting a stellar explosion
Apr 03, 2009 |
4.5 / 5 (6) |
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(PhysOrg.com) -- Integral has captured one of the brightest gamma-ray bursts ever seen. A meticulous analysis of the data has allowed astronomers to investigate the initial phases of this giant stellar explosion, ...
Matter Flashed at Ultra Speed
Jun 12, 2007 |
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Using a robotic telescope at the ESO La Silla Observatory, astronomers have for the first time measured the velocity of the explosions known as gamma-ray bursts. The material is travelling at the extraordinary speed of more ...
