'Changing Look' Quasar Both Shines and Dims in the Depths of Space

January 23, 2015 5:13 PM

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Until now, scientists have been unable to study both the bright and dim phases of a quasar in a single source. Yale University astronomers have identified the first “changing look” quasar, a gleaming object in deep space that appears to have its own dimmer switch.

Yale University astronomers have identified the first "changing look" quasar, a gleaming object in deep space that appears to have its own dimmer switch. The discovery may offer a glimpse into the life story of the universe's great beacons.

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