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Post Info TOPIC: Markarian 421
Blobrana


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RE: Markarian 421
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Blazar Markarian 421's flare-up is cosmic coincidence

The skies are currently being flooded with the brightest display of gamma rays - the Universe's highest-energy light - ever seen by astronomers.
The culprit is a staggering flare-up of Markarian 421, a "blazar" that hosts a supermassive black hole. 
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Blobrana


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Fermi-LAT and Swift-XRT observe exceptionally high activity from the nearby TeV blazar Mrk421
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Blobrana


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Markarian 421 is a BL Lac type Active Galaxy which undergoes random outbursts of over one magnitude.
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Blobrana


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Posts: 131433
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Markarian 421 (Mrk 421, Mkn 421) is a blazar located in the constellation Ursa Major. The object is an active galaxy and a BL Lacertae object, and is a strong source of gamma rays.
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