WebTwo-loop Corrections to Gg -> [gamma][gamma] [gamma-gamma] - Jun 09 2024 Gamma-Ray Bursts - May 09 2024 Since their discovery was first announced in 1973, gamma-ray bursts (GRBs) have been among the most fascination objects in the universe. While the initial mystery has gone, the fascination continues, Certainly, a gamma-ray burst could affect life's DNA, causing genetic damage long after the burst is over. If such a thing happened in Earth's history, it could well have altered the evolution of life on our planet. If a gamma-ray burst hit Earth, these regions of the planet would see higher-than-normal to DNA in … See more Gamma-ray bursts are giant explosions in distant galaxies that send out swarms of powerfully energetic gamma rays. Stars, supernovae and … See more What causes GRBs? For a long time, they remained quite mysterious. They are so bright that at first people thought they might be very close. It now turns out many are very distant, … See more In general, astronomers detect about one burst a day. However, they only detect those that beam their radiation in the general direction of Earth. So, astronomers are … See more Collimating the energy of the blast means that a lot of it gets focused into a narrow beam. If Earth happens to be along the line of sight of the focused blast, instruments detect … See more
How Deadly Would a Nearby Gamma Ray Burst Be? News Astrobiolo…
WebOct 7, 2011 · Gamma-ray bursts come in two flavors: a longer, brighter burst and a "short-hard" burst, which lasts less than a second but seems to give off more radiation than a … WebJan 2, 2024 · Gamma-ray bursts are produced by supernova events. Getting hit by a GRB would destroy Earth's ozone layer. A powerful and nearby GRB can render Earth uninhabitable. An engineer explained … shudder what\\u0027s on
Gamma rays: Everything you need to know Space
WebJan 13, 2024 · GAMMA-RAY BURSTS (GRBs) are monstrous blasts of cosmic energy from exploding stars that have the power to render a planet like Earth inhospitable to life, … WebSeveral models for the origin of gamma-ray bursts postulated that the initial burst of gamma rays should be followed by afterglow: slowly fading emission at longer wavelengths created by collisions between the burst … WebAstronomers race to make sense of brightest gamma ray burst ever seen ... The "Pale Blue Dot" picture of Planet Earth was acquired by the Voyager 1 probe 33 years ago - from a distance of about 6 ... shudder vibration condition