art_oj287_binary_orbit
The orbit of a 150 million solar mass black hole takes it plunging through accretion disk around an 18 billion solar mass black hole in the center of the galaxy OJ 287. Credit: Dey et al.
The orbit of a 150 million solar mass black hole takes it plunging through accretion disk around an 18 billion solar mass black hole in the center of the galaxy OJ 287. Credit: Dey et al.