Astronomers baffled by discovery of rare quasar quartet - Astronomy Magazine

Astronomy MagazineAstronomers baffled by discovery of rare quasar quartetAstronomy MagazineUsing the W. M. Keck Observatory in Hawaii, a group of astronomers led by Joseph Hennawi of the Max Planck Institute for Astronomy have discovered the first quadruple quasar: four rare active black holes situated in close proximity to one another.Astronomical Jackpot: Quasar Quartet Is Spotted for First TimeNBCNews.comDiscovered: Quartet of Quasars, a 10-Million-to-One FindNational GeographicDiscovery Of Rare Quadruple Quasar System Baffles AstronomersHuffington Postall 94 news articles »

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