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An artist's conception of a blazar, whose powerful jet of high velocity particles is generated around a supermassive black hole and aimed almost directly at Earth. A new CfA study has discovered that the infrared colors of blazars are a distinctive and powerful diagnostic tool.
Credit: Marscher et al., Wolfgang Steffen, Cosmovision, NRAO/AUI/NSF
Low Resolution Image (jpg)
Credit: Marscher et al., Wolfgang Steffen, Cosmovision, NRAO/AUI/NSF
Low Resolution Image (jpg)
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