cosmic gamma-rays

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• Gamma-ray astronomy — is the astronomical study of the cosmos with gamma rays. Early history Long before experiments could detect gamma rays emitted by cosmic sources, scientists had known that the universe should be producing these photons. Work by Eugene Feenberg… …   Wikipedia

• Cosmic-ray observatory — A cosmic ray observatory is a scientific installation built to detect high energy particles coming from space called cosmic rays. This typically includes photons (high energy light), electrons, protons, and some heavier nuclei, as well as… …   Wikipedia

• Cosmic infrared background — (CIB) is a mysterious infrared light coming from outer space. It is slowly being resolved into specific sources by infrared telescopes. In some ways it is analogous to the cosmic microwave background, but at shorter wavelengths. Contents 1… …   Wikipedia

• Gamma ray — Gam ma ray n. (Physics) A very penetrating electromagnetic ray not appreciably deflected by a magnetic or electric field, emitted by radioactive substances. Gamma rays are photons of electromagnetic radiation having a wavelength shorter than that …   The Collaborative International Dictionary of English

• Gamma ray burst progenitors — are the types of celestial objects that can emit gamma ray bursts (GRBs). GRBs show an extraordinary degree of diversity. They can last anywhere from a fraction of a second to many minutes. Bursts could have a single profile or oscillate wildly… …   Wikipedia

• Cosmic ray — For the film, see Cosmic Ray (film). Cosmic radiation redirects here. For some background types of cosmic radiation, see cosmic background radiation and cosmic background. The energy spectrum for cosmic rays Cosmic rays are energetic charged… …   Wikipedia

• Gamma ray spectrometer — A Gamma Ray Spectrometer, or (GRS), is an instrument for measuring the distribution (or spectrum see figure) of the intensity of gamma radiation versus the energy of each photon. Gamma rays are electromagnetic radiation at the short wavelength,… …   Wikipedia

• cosmic ray — Physics. a radiation of high penetrating power that originates in outer space and consists partly of high energy atomic nuclei. [1920 25, Amer.] * * * High speed particle (atomic nucleus or electron) that travels through the Milky Way Galaxy.… …   Universalium

• Gamma ray burst — [ GRB 990123 taken on January 23, 1999. The burst is seen as a bright dot denoted by a square on the left, with an enlarged cutout on the right. The object above it with the finger like filaments is the originating galaxy. This galaxy seems to be …   Wikipedia

• Cosmic Rays — Die Kosmische Strahlung (engl. Cosmic Rays), früher auch Höhenstrahlung genannt, ist eine hochenergetische Teilchenstrahlung aus dem Weltall. Sie besteht vorwiegend aus Protonen, daneben aus Elektronen und vollständig ionisierten Atomen. Auf die… …   Deutsch Wikipedia

• gamma ray — Synonyms and related words: Becquerel ray, Grenz ray, Roentgen ray, X radiation, X ray, actinic ray, actinism, alpha radiation, alpha ray, anode ray, atomic beam, atomic ray, beam, beam of light, beta radiation, beta ray, canal ray, cathode ray,… …   Moby Thesaurus