AT 2021hdr artist's concept (IMAGE)

NASA/Goddard Space Flight Center

AT 2021hdr artist's concept

Caption

A pair of monster black holes swirl in a cloud of gas in this artist’s concept of AT 2021hdr, a recurring outburst studied by NASA’s Neil Gehrels Swift Observatory and the Zwicky Transient Facility at Palomar Observatory in California.

Credit

NASA/Aurore Simonnet (Sonoma State University)

Usage Restrictions

No restrictions.

License

Public Domain

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