Star Mills: Ancient Galaxies Packed More Raw Material for Stellar Formation

The Milky Way Galaxy, to take a census view, is a populous place with a very low birthrate--it is home to hundreds of billions of stars, but only a handful of new ones appear each year. Neighboring galaxies show similar traits; accordingly, they must have once formed stars at a much more rapid clip. Across the universe, astronomers can see galaxies earlier in cosmic history, and unsurprisingly the birthrate then was much higher. [More]

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