On the passing of the test act in 1681 he refused to take the required oath except with a reservation.
Located in the Coma Cluster, about 300 million light years away from Earth, the orb is actually a distant view of the giant elliptical galaxy NGC 4889. At the center of that galaxy lies a sleeping giant: a supermassive black hole that is 21 billion times the mass of our sun. The size of a black hole can be estimated by its event horizon, or the distance from the center of the black hole at which nothing can escape its gravitational grasp.
Great subject! Supermassive black holes are indeed a tremendously important key to understanding our universe â in all the ways you mention, and then someâ¦(as Iâm confident you well understand, even cosmologically speaking: they are terrific to the literal limit of existence).