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RSS FeedsAre gamma-ray bursts powered by a star`s collapsing magnetic fields?
(PHYSorg.com Space & Earth)

 
 

7 april 2020 17:00:08

 
Are gamma-ray bursts powered by a star`s collapsing magnetic fields?
(PHYSorg.com Space & Earth)
 


When a massive star in a distant galaxy collapses, forming a black hole, two giant jets of light-emitting plasma shoot from its core. These extremely bright gamma-ray bursts (GRBs) are the most powerful explosions in the universe, and when a jet points towards Earth, the afterglow can be detected from ground and space-borne telescopes. Material does not simply catapult from an exploding star, it accelerates to ultra-high speeds along the narrow beam of the gamma-ray jet, leaving astrophysics puzzled over the power source driving these extraordinary explosions. Now a new international study led by the University of Bath promises to shed light on this mysterious phenomenon.


 
94 viewsCategory: Science > Astronomy
 
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