The supermassive black hole orbits an even more massive black hole, colliding through its accretion disk every 12 years
[ad_1] From nasa Spitzer Space Telescope He may be removed, but the things he witnessed during his sixteen-and-a-half-year mission will be the subject of study for many years. For example, Spitzer It is the only telescope to witness something truly amazing happening in the center of the distant galaxy OJ 287: a supermassive black hole … Read more