VERITAS Detects Gamma Rays from Galaxy Halfway Across the Visible Universe

M. Weiss/CfA
December 15, 2015
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M. Weiss/CfA

This artist's conception shows a blazar – the core of an active galaxy powered by a supermassive black hole. The VERITAS array has detected gamma rays from a blazar known as PKS 1441+25. Researchers found that the source of the gamma rays was within the relativistic jet but surprisingly far from the galaxy's black hole. The emitting region is at least a tenth of a light-year away, and most likely is 5 light-years away.

(Image by M. Weiss/CfA)