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Contact: Suzanne Taylor Muzzin
Yale University


Caption: The team found that mergers of gas-rich galaxies resulted in an obscured quasar surrounded by dust. After 100 million years, the dust is blown away to reveal a brightly shining quasar that lasts for another 100 million years.

Credit: E. Treister and Karen Teramura (IfA, University of Hawaii); NASA

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Related news release: After growth spurt, supermassive black holes spend half their lives veiled in dust

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