Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.
A bright quasar, powered by a supermassive black hole, is blasting out radiation that pushes away clouds of gas in its surroundings to generate winds reaching speeds of around 36 million miles per hour . Oh, and the quasar is also nearly as old as the universe itself.
"The material in that disk is always falling into the black hole, and the friction of that pulling and pulling heats up the disk and makes it very, very hot and very, very bright," team leader and University of Wisconsin–Madison astronomy professor Catherine Grier said in a statement."Theseare really luminous, and because there’s a large range of temperatures from the interior to the far parts of the disk, their emission covers almost all of the electromagnetic spectrum.
The team found that every time they measured this absorption spectrum over 130 observations of SBS 1408+544, there was a shift from the rightful position of the carbon absorption"shadow." This increased over time as radiation from the quasar pushed away material from around it.
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