WebWhen a gamma-ray burst is pointed towards Earth, the focusing of its energy along a relatively narrow beam causes the burst to appear much brighter than it would have been were its energy emitted spherically. ... WebApr 27, 2003 · A gamma ray burst originating in our neck of the Milky Way, within a thousand light-years or so, could lead to mass extinction on Earth. Gamma rays interacting in the Earth's atmosphere would burn away the ozone layer, allowing deadly ultraviolet radiation to penetrate through the atmosphere. The influx of radiation would lead to …
Extremely powerful gamma ray burst sweeps across Earth
WebSep 10, 2008 · The team concludes the burst's extraordinary brightness arose from a jet that shot material directly toward Earth at 99.99995 percent the speed of light. At the same moment Swift saw the burst, the Russian KONUS instrument on NASA's Wind satellite also sensed the gamma rays and provided a wide view of their spectral structure. WebJul 26, 2024 · On August 26, 2024, NASA ’s Fermi Gamma-ray Space Telescope detected a pulse of high-energy radiation that had been racing toward Earth for nearly half the present age of the universe. Lasting only … fish breathing exercise
Record-breaking gamma-ray burst possibly most powerful …
WebMar 26, 2024 · The odds of a gamma-ray burst hitting Earth are vanishingly small. It is worth noting, however, that one of the theorized causes of the Ordovician extinction, which happened 450 million years, was ... WebOct 15, 2024 · This record-shattering event, which was first detected on 9 October 2024 by orbiting X-ray and gamma-ray telescopes, occurred 2.4 billion light-years from Earth … WebDec 8, 2014 · A gamma-ray burst, the most powerful kind of explosion known in the universe, may have triggered a mass extinction on Earth within the past billion years, researchers say. These deadly outbursts ... fish breeder in butler