Galactic ‘rain’ explains why some galaxies are better at creating stars

Some of the galaxies in our universe are veritable star nurseries. For example, our own Milky Way produces, on average, at least one new star every year. Others went barren years ago, now producing few if any new stars. Why that happens is a question that has dogged astronomers for years. But now, more than 20 years of research has culminated in what might be the answer to that elusive question. —> Read More Here


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