Sentences with phrase «galaxy clusters rather»

A new study that examines the growth of galaxy clusters rather than the movement of stars independently confirms the presence of dark energy.

Not exact matches

«This indicates that, rather than a dense region in the centre of the galaxy cluster, as predicted by the cold dark matter model, there is a much shallower central density.

In a 2008 study, Haiman and his colleagues hypothesized that radiation from a massive neighboring galaxy could split molecular hydrogen into atomic hydrogen and cause the nascent black hole and its host galaxy to collapse rather than spawn new clusters of stars.

The going theory is that the biggest galaxies didn't make most of these stars themselves; rather, they swept them up from smaller star clusters over time.

The supermassive black hole found in NGC 1600 is one of the first successes of the project, proving the value of a systematic search of the night sky rather than looking only in dense areas like those occupied by large clusters of galaxies, such as the Coma and Virgo clusters.

It does appear clear that globular clusters are significantly different from dwarf elliptical galaxies and were formed as part of the star formation of the parent galaxy rather than as a separate galaxy.

«We now think that globular clusters formed alongside galaxies rather than significantly before them,» research team leader, Professor Duncan Forbes of Swinburne University of Technology said.

This cluster is less spectacular than the Fornax cluster, partly because the galaxies are spread across a larger area and partly because the cluster is rather further and hence dimmer than the Fornax cluster.

It is not possible to get a good photograph of the entire Virgo cluster because the galaxies are rather faint and small objects scattered across 15 degrees of the sky.

The X rays from a cluster do not come from its member galaxies but rather from a pool of hot gas between them, which is kept within the cluster by the galaxies» combined gravitational pull.