Sentences with phrase «minimum cluster size»

Not exact matches

In a paper to appear in Publications of the Astronomical Society of Australia, Forbes and Kroupa have offered five possible criteria for determining whether an object is a galaxy: the presence of dark matter, multiple generations of stars, satellite star clusters, a minimum size, and the time it takes for gravitational interactions between stars to slow them all down to roughly the same speed.

Regarding cluster size and structure, the cluster comprises a minimum of four schools, of which at least 75 per cent are primary schools, and a lead school has been identified.