Learn how shifting jets in galaxy Mrk 501 exposed a pair of orbiting supermassive black holes nearin...
A Second Jet in Galaxy Mrk 501 Points to a Close Pair of Supermassive Black Holes — Possibly Nearing a Merger
Learn how shifting jets in galaxy Mrk 501 exposed a pair of orbiting supermassive black holes nearing collision.
Author: Discover Magazine
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