Astronomy & space astronomy october 21, 2008 and other mysteries surrounding grbs short gamma-ray bursts are a hot topic at today's sessions of these mysterious celestial bursts the . Discovery may be smoking gun in gamma ray burst mystery alabama in huntsville and a professor of astronomy at the gamma-ray bursts outshine all other . Researchers solve the mystery of the origin of short gamma ray bursts following a short gamma ray burst (grb) in a galaxy almost 4 billion light-years from earth although the initial .
A powerful gamma-ray burst credit: s r kulkarni, s g djorgovski ( caltech ), the caltech grb team , nasa explanation: gamma-ray bursts are thought to be the most powerful explosions in the universe, yet the cause of these high-energy flashes remains a mystery . This newborn black hole belched a fleeting yet astonishingly intense flash of gamma rays known as a gamma-ray burst a grb by its jets runs into the surrounding gas gamma-ray burst with a . Unraveling the mystery of gamma ray bursts (grbs) is a story filled with international intrigue, fantastic claims, serious back-tracking, and incremental improvements in our understanding of the .
A huge cosmic explosion detected earlier this year was the brightest gamma-ray burst ever recorded, new research finds and fermi gamma-ray space telescope gamma-ray bursts we have ever . Two crucial bepposax burst observations in 1997 helped to resolve the mystery of the gamma-ray bursts the first burst came in february from the direction of the constellation orion the first burst came in february from the direction of the constellation orion. Start studying astronomy test 2: gamma ray bursts learn vocabulary, terms, and more with flashcards, games, and other study tools.
This composite image shows the x-ray spectrum and ccd image of the gamma-ray burst (grb) known as grb991216. Unraveling the mysteries of gamma ray bursts gamma ray bursts (grbs) were discovered in 1967 by satellites designed to monitor compliance with the atmospheric nuclear test ban treaty. The conclusive evidence came when astronomers recorded the afterglow of a few gamma ray bursts in the optical--and saw the clear signatures of a supernova in the optical light curve this was a big event, since there were a other theories that sounded quite plausible.
Astronomers using alma studied a cataclysmic stellar explosion known as a gamma-ray burst, or grb, and found its enduring “afterglow” the rebound, or reverse shock, triggered by the grb’s powerful jets slamming into surrounding debris, lasted thousands of times longer than expected. Like fingerprints, no two gamma ray bursts (grb s) are the same, but they can be broadly classified as either long or short depending on burst durationlong bursts are more common and last for between 2 seconds and several minutes, while short bursts last less than 2 seconds and can be all over in only milliseconds. The mystery of short gamma-ray bursts is largely solved, lamb said lamb and his co-authors will describe their finding in a paper that will appear in the oct 6 issue of the journal nature .
Gamma-ray bursts, or grbs for short, are flows of high-energy photons that in milliseconds or minutes release as much energy as the sun ever will astronomers can observe these events from . Gehrels and other researchers have gathered this week at the sixth huntsville gamma ray burst symposium in huntsville, ala, to discuss progress on this and other mysteries surrounding grbs short gamma-ray bursts are a hot topic at today's sessions: agenda. Model of a gamma-ray burst many scientists believe that gamma-ray bursts are caused by jets of high-energy particles from a rapidly rotating black hole that interacts with surrounding material this artist's rendering depicts this model (not to scale), where the black hole is produced by the collapse of a massive star's core.
Astronomers using alma studied a cataclysmic stellar explosion known as a gamma-ray burst, or grb, and found its enduring 'afterglow' grb's powerful jets slamming into surrounding debris . “this observation finally solves the mystery of the origin of short gamma-ray bursts,” said nial tanvir of the university of leicester in the united kingdom. An artist’s rendition of a gamma ray burst focusing the energy of the exploding star along two polar jets we see these bursts when one of the jets is pointed towards earth.