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  • Rogue supernovas likely flung into space by black hole slingshots

    This Hubble Space Telescope image shows and elliptical galaxy with dark, wispy dust lanes, the signature of a recent galaxy merger. A supernova was found flung far from this galaxy, a result of the merger producing a binary black hole.

    This Hubble Space Telescope image shows and elliptical galaxy with dark, wispy dust lanes, the signature of a recent galaxy merger. A supernova was found flung far from this galaxy, a result of the merger producing a binary black hole.

    Photo courtesy NASA, ESA, and Ryan Foley

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  •  Editor's note: To reach Ryan Foley, call (510) 388-3364; email rfoley@illinois.edu


    The paper, “Kinematics and Host-Galaxy Properties Suggest a Nuclear Origin for Calcium-Rich Supernova Progenitors,” is available online.