News tagged with energy gamma rays

Blazars

(PhysOrg.com) -- A blazar is a galaxy which, like a quasar, has an intensely bright central nucleus containing a supermassive black hole. In a blazar, however, the emitted light sometimes includes extremely ...

dateSep 06, 2011 in Astronomy
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Largest ever Cherenkov telescope sees first light

(Phys.org) -- On 26 July 2012, the H.E.S.S. II telescope started operation in Namibia. Dedicated to observing the most violent and extreme phenomena of the Universe in very high energy gamma-rays, H.E.S.S. ...

dateJul 26, 2012 in Astronomy
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