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- Gamma ray | Definition, Uses, Wavelength, Production ... - BritannicaGamma ray, electromagnetic radiation of the shortest wavelength and highest energy. Gamma rays are produced in the disintegration of radioactive atomic nuclei and in the decay of certain subatomic particles. It includes some overlap with X-rays in the electromagnetic spectrum.
- Fermi - NASA ScienceNASA's Fermi Gamma-ray Space Telescope is a powerful space observatory that detects gamma rays, the most energetic form of light. Fermi enables scientists to address questions across a broad range of topics, from crushed stellar remnants like pulsars and the origin of high-energy charged particles called cosmic rays to stellar explosions known ...
- Gamma Rays - NASA ScienceGamma rays have the smallest wavelengths and the most energy of any wave in the electromagnetic spectrum. They are produced by the hottest and most energetic objects in the universe, such as neutron stars and pulsars, supernova explosions, and regions around black holes.
- What are gamma rays? | Live ScienceGamma rays are a form of electromagnetic radiation, as are radio waves, infrared radiation, ultraviolet radiation, X-rays and microwaves. Gamma rays can be used to treat cancer, and...
- Gamma-ray Bursts: Harvesting Knowledge From the Universe’s Most ...The most powerful events in the known universe – gamma-ray bursts (GRBs) – are short-lived outbursts of the highest-energy light. They can erupt with a quintillion (a 10 followed by 18 zeros) times the luminosity of our Sun. Now thought to announce the births of new black holes, they were discovered by accident.
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