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Active Galactic Nucleus, Artwork
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Active galactic nucleus (AGN), computer artwork. An AGN is a galactic core that emits a higher luminosity than can be produced by the galaxy's stars alone. This is thought to be caused by a supermassive black hole at the core accreting mass. As gas falls into the black hole the gravitational energy is converted into heat and it is the heated gas that emits the radiation.
May 7th, 2013
Viewed 2 Times - Last Visitor from Mountain View, CA on 05/13/2014 at 1:30 PM
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