Sentences with phrase «center of large galaxies»

These billion - solar - mass monsters, residing in the centers of large galaxies, can glom together during galactic collisions after a spiraling dance, as shown here.

Other astronomers had found that the object, located 4.3 billion light - years from Earth, possessed two supermassive black holes, each the center of a large galaxy smashing into another.

Astronomers have seen them shooting out of young stars just being formed, X-ray binary stars and even the supermassive black holes at the centers of large galaxies.

They lie at the center of every large galaxy near enough to be studied — and perhaps every galaxy.20 (Later, the very important reason for this will be explained.)

This is why a massive black hole appears to lie in the center of every large galaxy.

For many years, astronomers have known two types - «supermassive» black holes at the centers of large galaxies and the so - called «stellar - mass» black holes that result when a star about 10 times the Sun's mass ends its life in a supernova explosion.