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The Phoenix Cluster is a huge collection of galaxies 5.8 billion light-years away, which should have used up its available star-forming gas and dust long ago.
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The Phoenix Cluster is a huge collection of galaxies 5.8 billion light-years away, which should have used up its available star-forming gas and dust long ago. It should be "red and dead"; instead, it still has a surprising amount of active star formation at its central galaxy. Astronomers mapped the cluster with JWST and discovered that the outer galaxies are still pumping out gas, which is then being actively cooled and driven into the central region.
Study reveals the Phoenix galaxy cluster in the act of extreme cooling
New findings from NASA’s James Webb Space Telescope explain the Phoenix cluster’s mysterious starburst. Data confirm the cluster is actively cooling and able to generate a huge amount of stellar fuel on its own.
MIT News | Massachusetts Institute of Technology (news.mit.edu)
