Crowded Galaxies May Lose Most of Their Star-Making Gas
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Crowded galaxies may lose most of their star-making gas
Astronomers have found that galaxies living in a crowded region of space contain much less of the gas needed to form new stars. The discovery offers a clearer picture of how a galaxy’s surroundings can gradually slow its growth. An international team led by researchers at the University of Strasbourg studied a group of galaxies […]
An international team of researchers, led by Jonathan Freundlich (University of Strasbourg, Astronomical Observatory), has revealed how a dense cosmic environment exhausts galaxies from their gas. By mapping the molecular gas of a group of galaxies located 7 billion light years away, they have found that galaxies in this group house, on average, reservoirs [...]
In the seven billion light-years distant galaxy group COSMOS-Gr30, the raw material for new stars seems unusually scarce. Measurements by 17 members indicate that they have on average only about 20 to 40 percent of the expected molecular gas. The finding could explain how dense cosmic environments slow the formation of stars. Paris (France). Stars arise [...] The article Galaxies of a distant group contain apparently less star gas appeared first…
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