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To revist this article, visit My Profile, then View saved stories. In July 1967, at the height of the Cold War, American satellites that had been launched to look for Soviet nuclear weapons tests found something wholly unexpected. The Vela 3 and 4 satellites observed brief flashes of high-energy photons, or gamma rays, that appeared to be coming from space. Later, in a 1973 paper that compiled more than a dozen such mysterious events, astronomers would dub them gamma-ray bursts. “Since then, we’ve been trying to understand what these explosions are,” said Andrew Taylor, a physicist at the German Electron Synchrotron (DESY) in Hamburg. ....
What Causes Gamma-Ray Explosions? Their ultra-bright brightness preserves traces wiredprnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from wiredprnews.com Daily Mail and Mail on Sunday newspapers.
Quanta Magazine quantamagazine.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from quantamagazine.org Daily Mail and Mail on Sunday newspapers.
Scientists have obtained the best view so far of the most powerful type of cosmic explosion, which happened this time in our cosmological “backyard.” Using ....
Spectacular Gamma Radiation From Collapse Of Dying Star Could Change Understanding Of The Universe This observation has challenged the established theory of gamma-ray bursts in the universe, the scientists said By Edited by Gadgets 360 Newsdesk | Updated: 7 June 2021 12:54 IST Photo Credit: DESY Science Communication Lab Artist s impression of a relativistic jet of a gamma-ray burst Highlights These explosions occur when a massive star abruptly detonates This Gamma-Ray Burst defies expectations, challenges earlier theory A team of scientists in Namibia, in southwest Africa, has recorded a phenomenal cosmic explosion, the brightest so far, of gamma radiation from a collapsing star. They said usually these explosions occur when a massive star five or 10 times the mass of the Sun – abruptly detonates and turns into a black hole. The scientists said the gamma-ray burst (GRB) was one of the most energetic radiations ....