gamma-ray burst

gamma-ray burst
A flash of gamma rays that seem to originate from a random point in the sky; their most likely sources are believed to be supernova explosions of a very massive stars and mergers of neutron stars.

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  • Gamma ray burst — [ GRB 990123 taken on January 23, 1999. The burst is seen as a bright dot denoted by a square on the left, with an enlarged cutout on the right. The object above it with the finger like filaments is the originating galaxy. This galaxy seems to be …   Wikipedia

  • Gamma-ray burst — Optisches Nachleuchten des Gammablitzes GRB 990123 (heller Punkt im weißen Quadrat und Ausschnittsvergrößerung). Das darüberliegende gekrümmte Objekt ist die Galaxie aus der er stammt, welche wohl durch eine Kollision mit einer anderen Galaxie… …   Deutsch Wikipedia

  • Gamma Ray Burst — Optisches Nachleuchten des Gammablitzes GRB 990123 (heller Punkt im weißen Quadrat und Ausschnittsvergrößerung). Das darüberliegende gekrümmte Objekt ist die Galaxie aus der er stammt, welche wohl durch eine Kollision mit einer anderen Galaxie… …   Deutsch Wikipedia

  • Gamma ray burst — Optisches Nachleuchten des Gammablitzes GRB 990123 (heller Punkt im weißen Quadrat und Ausschnittsvergrößerung). Das darüberliegende gekrümmte Objekt ist die Galaxie aus der er stammt, welche wohl durch eine Kollision mit einer anderen Galaxie… …   Deutsch Wikipedia

  • Gamma ray burst progenitors — are the types of celestial objects that can emit gamma ray bursts (GRBs). GRBs show an extraordinary degree of diversity. They can last anywhere from a fraction of a second to many minutes. Bursts could have a single profile or oscillate wildly… …   Wikipedia

  • Gamma ray burst emission mechanisms — are theories that explain how the energy from a gamma ray burst progenitor (regardless of the actual nature of the progenitor) is turned into radiation. These mechanisms are a major topic of research as of 2007. Neither the light curves nor the… …   Wikipedia

  • Gamma Ray Burst Coordinates Network — The Gamma Ray Burst Coordinates Network (GCN) is a system that distributes information about the location of a Gamma ray burst (GRB), called Notices , when a burst is detected by various spacecraft. The GCN also automatically receives and… …   Wikipedia

  • gamma ray burst — noun a short lived massive burst of gamma radiation thought to be caused by a hypernova occurring in a distant galaxy …  

  • gamma-ray burst — /ˈgæmə reɪ bɜst/ (say gamuh ray berst) noun a flash of gamma rays, associated with a violent explosion occurring in a distant galaxy. Abbrev.: GRB …  

  • Swift Gamma-Ray Burst Mission — Infobox Space telescope name = Swift Gamma Ray Burst Mission ( Swift ) caption = (credit: NASA) organization = NASA major contractors = alt names = nssdc id = location = orbit type = height = 600 km period = 90 min velocity = accel gravity =… …   Wikipedia

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