The Heart of Centaurus A
The Heart of Centaurus A (2009) - One of the most intensive radio sources in the sky is the giant elliptical galaxy NGC 5128, also known as Centaurus A. The radio emissions are caused by material falling into a 55-million-solar-mass black hole at the galaxy’s center. At the same time, plasma jets are ejected in opposite directions at an estimated one-third light speed, each eventually reaching almost a million light-years in length The mechanism behind these phenomena remains largely a mystery.
Copyright 2009, James Hervat
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NOTE: the watermarks seen on the above image do not appear on the prints.
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