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- Gamma-ray_astronomy abstract "Gamma-ray astronomy is the astronomical observation of gamma-rays, the most energetic form electromagnetic radiation with photon energies above 100 keV. Radiation below 100 keV is classified as X-rays and is the subject of X-ray astronomy (astronomical literature tends to hyphenate "gamma-ray" by analogy with the term "X-ray").Gamma-rays in the MeV range are generated in solar flares (and even in the Earth's atmosphere), but gamma-rays in the GeV range do not originate in our solar system and are important in the study of extrasolar, and especially extra-galactic astronomy. The mechanisms emitting gamma-rays are diverse, mostly identical with those emitting X-rays but at higher energies, including electron-positron annihilation, the Inverse Compton Effect, and in some cases also the decay of radioactive material (gamma decay) in space reflecting extreme events such as supernovae and hypernovae, and the behaviour of matter under extreme conditions, as in pulsars and blazars. The highest photon energies measured to date are in the TeV range, the record being held by an "extraordinary outburst" of blazar Markarian 501 in 1997, yielding photons with as much as 16 TeV.".
- Gamma-ray_astronomy thumbnail Fermi_Gamma-ray_Space_Telescope_3_years_of_observations_(energies_larger_than_1_GeV).jpg?width=300.
- Gamma-ray_astronomy wikiPageExternalLink hete2.html.
- Gamma-ray_astronomy wikiPageExternalLink history.
- Gamma-ray_astronomy wikiPageExternalLink integral.html.
- Gamma-ray_astronomy wikiPageExternalLink magic.mppmu.mpg.de.
- Gamma-ray_astronomy wikiPageExternalLink apsd.
- Gamma-ray_astronomy wikiPageExternalLink gammalib.
- Gamma-ray_astronomy wikiPageExternalLink swift.gsfc.nasa.gov.
- Gamma-ray_astronomy wikiPageExternalLink tevcat.uchicago.edu.
- Gamma-ray_astronomy wikiPageExternalLink veritas.sao.arizona.edu.
- Gamma-ray_astronomy wikiPageExternalLink CT.html.
- Gamma-ray_astronomy wikiPageExternalLink HESS.html.
- Gamma-ray_astronomy wikiPageID "23694864".
- Gamma-ray_astronomy wikiPageRevisionID "606029080".
- Gamma-ray_astronomy hasPhotoCollection Gamma-ray_astronomy.
- Gamma-ray_astronomy subject Category:Gamma-ray_astronomy.
- Gamma-ray_astronomy subject Category:Observational_astronomy.
- Gamma-ray_astronomy comment "Gamma-ray astronomy is the astronomical observation of gamma-rays, the most energetic form electromagnetic radiation with photon energies above 100 keV.".
- Gamma-ray_astronomy label "Astronomia a raggi gamma".
- Gamma-ray_astronomy label "Astronomia promieniowania gamma".
- Gamma-ray_astronomy label "Astronomie gamma".
- Gamma-ray_astronomy label "Astronomía de rayos gamma".
- Gamma-ray_astronomy label "Gamma-ray astronomy".
- Gamma-ray_astronomy label "Gammaastronomie".
- Gamma-ray_astronomy label "Гамма-астрономия".
- Gamma-ray_astronomy label "علم فلك أشعة غاما".
- Gamma-ray_astronomy label "ガンマ線天文学".
- Gamma-ray_astronomy label "伽馬射線天文學".
- Gamma-ray_astronomy sameAs Gama-astronomie.
- Gamma-ray_astronomy sameAs Gammaastronomie.
- Gamma-ray_astronomy sameAs Astronomía_de_rayos_gamma.
- Gamma-ray_astronomy sameAs Astronomie_gamma.
- Gamma-ray_astronomy sameAs Astronomi_sinar_gama.
- Gamma-ray_astronomy sameAs Astronomia_a_raggi_gamma.
- Gamma-ray_astronomy sameAs ガンマ線天文学.
- Gamma-ray_astronomy sameAs Astronomia_promieniowania_gamma.
- Gamma-ray_astronomy sameAs m.0fcn2.
- Gamma-ray_astronomy sameAs Q622752.
- Gamma-ray_astronomy sameAs Q622752.
- Gamma-ray_astronomy wasDerivedFrom Gamma-ray_astronomy?oldid=606029080.
- Gamma-ray_astronomy depiction Fermi_Gamma-ray_Space_Telescope_3_years_of_observations_(energies_larger_than_1_GeV).jpg.
- Gamma-ray_astronomy isPrimaryTopicOf Gamma-ray_astronomy.
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