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Space

Did Star Formation Regulation Change as the Universe Evolved?

by Press on May 12, 2016

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a galaxy — Figure 1: A galaxy observed in this study (surrounded by a blue rectangle). The light we received from the galaxy in the distant Universe tells us – from hydrogen, oxygen, and neon emission lines – that they followed a different rule to produce the heavy elements. (Credit: 3D-HST / NASA / ESA / STScI)