Webz = 0.125. Swift. Either a long-duration burst in which the presence of a bright supernova is ruled out, or a short-duration burst with extremely long-lasting gamma-ray emission. GRB 080319B. z = 0.937. Swift. The most (optically) luminous event of any nature observed in the universe to date. By far the brightest optical afterglow of any gamma ... Web7 de dez. de 2024 · The 50-second gamma-ray burst is the first that unambiguously breaks the rule that long bursts usually come from supernovas. ... Whatever its origins, GRB 211211A is a big deal for physics.
Are gamma ray bursts dangerous? - Phys.org
WebThe Giant GRB Ring is a ring of 9 gamma-ray bursts (GRBs) that may be associated with one of the largest known cosmic structures. It was discovered in July 2015 by a team of Hungarian and American astronomers led by L.G. Balazs while analyzing data from different gamma-ray and X-ray telescopes, in particular the Swift Spacecraft.. The ring of GRBs … Web27 linhas · z = 0.125. Swift. Either a long-duration burst in which the presence of a bright supernova is ruled out, or a short-duration burst with extremely long-lasting gamma-ray … eastchester daily news
Chinese, French space teams get gamma-ray burst hunter ready …
Web21 de out. de 2024 · In early October 2024 a wave of high-energy radiation swept over Earth from a gamma-ray burst, one of the most singularly catastrophic and violent events the … Web29 de mar. de 2024 · 2024-03-29. An international team of scientists led by Chinese astrophysicists released their latest discoveries about the brightest gamma ray burst in history on Wednesday, shedding new light on the most energetic explosion in the universe second only to the Big Bang. The event, dubbed GRB 221009A, was detected on Oct 9 … Web3 de mai. de 2013 · A record-setting blast of gamma rays from a dying star in a distant galaxy has wowed astronomers around the world. The eruption, which is classified as a gamma-ray burst, or GRB, and designated GRB 130427A, produced the highest-energy light ever detected from such an event. "We have waited a long time for a gamma-ray … cube brawl stars