gamma-ray astronomy
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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
gamma-ray astronomy — /gam euh ray / the branch of astronomy that deals with the study of celestial objects by means of the gamma rays that come from them. [1960 1965] * * * Study of astronomical objects and phenomena that emit gamma rays. Gamma ray telescopes are… … Universalium
gamma-ray astronomy — ¦ ̷ ̷ ̷ ̷ ˌ ̷ ̷ noun : astronomy dealing with the properties of celestial bodies deduced from gamma rays they emit * * * /gam euh ray / the branch of astronomy that deals with the study of celestial objects by means of the gamma rays that come… … Useful english dictionary
High Energy Gamma Ray Astronomy — HEGRA es el acrónimo del inglés High Energy Gamma Ray Astronomy o Astronomía de Rayos Gamma de Alta Energía. Fue un complejo de detectores que funcionó en el Observatorio del Roque de los Muchachos en la Isla de La Palma entre 1987 y 2002, año en … Wikipedia Español
High Energy Gamma Ray Astronomy — HEGRA im Jahr 1997 Zwei HEGRA Spiegel, mit dem Nordic Optic … Deutsch Wikipedia
Gamma ray — Gamma rays (denoted as gamma;) are a form of electromagnetic radiation or light emission of frequencies produced by sub atomic particle interactions, such as electron positron annihilation or radioactive decay. Gamma rays are generally… … Wikipedia
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
gamma ray — Physics. 1. a photon of penetrating electromagnetic radiation (gamma radiation) emitted from an atomic nucleus. 2. a photon emitted by an electron as a result of internal conversion. 3. electromagnetic radiation with wavelengths shorter than… … Universalium
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
X-ray astronomy — X rays start at 0.008 nm and extend across the electromagnetic spectrum to 8 nm, over which the Earth s atmosphere is opaque. X ray astronomy is an observational branch of astronomy which deals with the study of X ray observation and detection… … Wikipedia
Gamma-ray burst — Optisches Nachleuchten des Gammablitzes GRB 990123 (heller Punkt im weißen Quadrat und Ausschnittsvergrößerung). Das darüberliegende gekrümmte Objekt ist die Galaxie aus der er stammt, welche wohl durch eine Kollision mit einer anderen Galaxie… … Deutsch Wikipedia
