Sentences with phrase «size galaxy groups»

«Rich groups of galaxies like the Coma Cluster are very, very rare, but there are quite a few galaxies the size of NGC 1600 that reside in average - size galaxy groups,» Ma said.

Not exact matches

Now a group of astronomers led by Asa Bluck of the University of Victoria in Canada have found a (relatively) simple relationship between the colour of a galaxy and the size of its bulge: the more massive the bulge the redder the galaxy.

This is the galaxy with the largest apparent size in the group because it is the nearest of the major galaxies in the group.

However, new work by astronomers at the University of Sheffield has discovered an incident of a star being destroyed by a supermassive black hole in a much smaller sample size — a group of just 15 galaxies.

NGC 247 (left) and NGC 300 (right) are two medium - size spiral galaxies near the front of this group.

This group is notable for containing a large number of medium - sized dwarf galaxies.