Sentences with phrase «central black hole believed»

Not exact matches

As only 5 per cent of black holes are thought to have stellar companions, the team believes 10,000 black holes of this size could exist in the central bulge.

Here's the problem for those who believe a big bang preceded the formation of black holes, stars, and galaxies: black holes are too small to affect something as huge as a galaxy that formed long after the universe expanded, and there is no reason a galaxy should form a large central black hole.

Hence, some astronomers believe that the conditions around those central black hole did not appreciatively changed much in that time, contrary to some theoretical expectations.

Astronomers believe that supermassive, central black holes generate the radio, X-ray, and gamma - ray energy radiated by active galaxies such as Centaurus A, as well as quasars like SDSS J1030 +0524.