Sentences with phrase «ordinary galaxies»

What we're mostly aiming toward is to get a picture of how ordinary galaxies come about.

In ordinary galaxies the black hole would grow at the same rate as the galaxy, but in SAGE0536AGN the black hole has grown much faster, or the galaxy stopped growing prematurely.

Overall, the study confirms that supermassive black holes must exist in the majority of ordinary galaxies.

If both of these studies hold up, astronomers may have another mystery on their hands — why two seemingly ordinary galaxies have halos made of different kinds of stuff.

Last year, astronomers watching a rather ordinary galaxy witnessed something extraordinary: a stellar explosion called a supernova 10 times brighter than any previous blast.

Black holes created by supernovae can be about ten to twenty times the mass of the Sun, but these stellar black holes are miniscule in comparison to the beasts that astronomers think lie at the centers of most ordinary galaxies.

This is the glowing accretion disk of gas that can form around a supermassive black hole at the center of an otherwise ordinary galaxy.

Clearly, solving the riddle of the ordinary galaxy isn't quite a done deal.

This is very surprising and it tells us that ordinary galaxies were enriched with heavier elements far faster than expected,» explains Darach Watson, an astrophysicist with the Dark Cosmology Centre at the Niels Bohr Institute at the University of Copenhagen.

They are hundreds to thousands of times more luminous than ordinary galaxies.

This allowed them to identify it as an ordinary galaxy near the edge of the visible Universe.»

The presence of a black hole in an ordinary galaxy like M32 may mean that inactive black holes are common to the centers of galaxies.