Super star-maker

A distant galaxy cluster churns out stars at a whopping rate

By Stephen Ornes, 14:24 PM September 4, 2012




The recently discovered Phoenix cluster is a big deal. About 6 billion light-years away, it’s home to thousands of galaxies and one of the biggest known things in the universe. And Phoenix is the fastest known star-making factory, a new study finds.


One would expect the cluster to produce fewer than one star per year. Instead “it’s producing 740,” observes MIT astrophysicist Michael McDonald. He worked on the new study about Phoenix, published in August. Astrophysicists use ideas about mat...

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