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11 de mar. de 2009 · Francis Reddy. Mar 11, 2009. Article. A new map combining nearly three months of data from NASA’s Fermi Gamma-ray Space Telescope is giving astronomers an unprecedented look at the high-energy cosmos. To Fermi’s eyes, the universe is ablaze with gamma rays from sources within the solar system to galaxies billions of light-years away.
Gamma-ray bursts (GRBs) are the most powerful explosions the Universe has seen since the Big Bang. They occur approximately once per day and are brief, but intense, flashes of gamma radiation. They come from all different directions of the sky and last from a few milliseconds to a few hundred seconds. So far scientists do not know what causes them.
14 de may. de 2024 · Gamma rays (symbol: γ) are a type of electromagnetic radiation with frequencies above 10 19 Hz and wavelengths shorter than 10 picometers (1 x 10 −11 meters). They are located at the extreme end of the electromagnetic spectrum, beyond X-rays. The energy of gamma rays typically exceeds 100 keV (kilo-electronvolts).
GAMMA RAY (Official). 290,331 likes · 30 talking about this. This is the OFFICIAL GAMMA RAY FACEBOOK Page in tight cooperation with the OFFICIAL GAMMA RAY WEBSITE
Gamma Ray. Power metal band from northern Germany, founded and fronted by Kai Hansen after his departure from Helloween. Hansen is the current lead vocalist, guitarist as well as the chief songwriter. The band is known as one of the most prominent bands of the German heavy metal scene. Despite having many lineup changes in their early career ...
La radiación gamma o rayos gamma es un tipo de radiación electromagnética, y por tanto constituida por fotones, producida generalmente por elementos radiactivos o por procesos subatómicos como la aniquilación de un par positrón - electrón. También se genera en fenómenos astrofísicos de gran violencia. Debido a las altas energías que ...
Kai Hansen formed Gamma Ray after leaving Helloween in 1989. Originally just a project involving Hansen, Ralf Scheepers and some guest musicians, Gamma Ray soon evolved into a full-time band. In 1994, Ralf Scheepers left Gamma Ray as a result of living too far away from the base camp, so Kai Hansen took over the singing just like on the first Helloween album.
