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 study has made the best measurement yet of the quenching timescale, measuring how it varies across 70 percent of the history of the universe.
from All Top News -- ScienceDaily https://www.sciencedaily.com/releases/2018/10/181023185443.htm
from All Top News -- ScienceDaily https://www.sciencedaily.com/releases/2018/10/181023185443.htm
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