gamma observations

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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 Vir — Gamma Virginis Gamma Virginis A/B Porrima Données d observation (Époque J2000.0) Ascension droite 12h 41m 39.6s Déclinaison −01° 26′ 58″ Constellation Vierge Magnitude apparente …   Wikipédia en Français

• Gamma Virginis — A/B Porrima Données d observation (Époque J2000.0) Ascension droite 12h 41m 39.6s Déclinaison −01° 26′ 58″ Constellation Vierge Magnitude apparente …   Wikipédia en Français

• Gamma Hydri — Données d observation (Époque J2000.0) Ascension droite 03h 47m 14.3s Déclinaison 74° 14′ 20″ Constellation Hydre mâle Magnitude apparente +3,2 …   Wikipédia en Français

• Gamma Ophiuchi — Constelación Ofiuco Ascensión recta α 17h 47min 53,56s Declinación δ +02º 42’ 26,2’’ Distancia …   Wikipedia Español

• 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

• Observations and explorations of Venus — Venus in real color as it would appear to the naked eye. Observations of the planet Venus were first recorded by Babylonian astronomers around 1600 BC and have continued into the present.[dubious – …   Wikipedia

• Gamma Ray Burst Coordinates Network — The Gamma Ray Burst Coordinates Network (GCN) is a system that distributes information about the location of a Gamma ray burst (GRB), called Notices , when a burst is detected by various spacecraft. The GCN also automatically receives and… …   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

• 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 (satellite) — Infobox Space telescope name = Gamma caption = organization = RKA major contractors = alt names = nssdc id = location = Earth orbit orbit type = height = 375 km period = velocity = accel gravity = launch date = 11 July 1990 launch location =… …   Wikipedia