Astronomers discover new galaxy clusters hiding right in front of us – TechSpot

In brief: Astronomers at MIT have discovered previously unidentified galaxy clusters that were overlooked by earlier studies. Their results, which were recently published in The Astrophysical Journal, suggest that as many as one percent of galaxy clusters could be misidentified as a single bright galaxy.
Clusters of galaxies containing hundreds or even thousands of individual galaxies are held together by gravity. As MIT highlights, they move through a sea of hot gas called the intracluster medium,…

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