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News From the Field

Study provides new insight into why galaxies stop forming stars


October 23, 2018

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Galaxy clusters are rare regions of the universe consisting of hundreds of galaxies containing trillions of stars. It has long been known that when a galaxy falls into a cluster, star formation is fairly rapidly shut off in a process known as "quenching." A new University of California, Riverside-led study has made the best measurement yet of the quenching timescale, measuring how it varies across 70 percent of the history of the universe. Full Story

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University of California, Riverside

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