Galaxy Cluster

Cluster analysis or clustering is the task of grouping a set of objects in such a way that objects in the same group (called a cluster) are more similar (in some sense) to each other than to those in other groups (clusters).

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This galaxy cluster has mysterious cosmic tendrils over 200,000 light-years long (image)

Invisible Storm Lights Up Galaxy Cluster With Record-Breaking Radio Glow

'Dead' Galaxy Cluster Is Making Stars Again And Astronomers Don't Know Why

NASA’s Chandra Finds Galaxy Cluster That Crosses the Streams

X-rays reveal secret gas in huge and distant galaxy cluster

Massive 'El Gordo' galaxy cluster suggests dark matter smashes into itself

World's largest visible light telescope spies a galaxy cluster warping spacetime

Inexplicable flying fox found in Hydra galaxy cluster

Christmas Tree Galaxy Cluster: NASA’s Webb and Hubble Unite for Dazzling Masterpiece

This Distant Galaxy Cluster is Totally Relaxed, Unharassed for a Billion Years

Chandra Spots ‘Relaxed’ Galaxy Cluster in Distant Universe

Hubble Telescope gazes into the heart of a monstrous galaxy cluster (photo)

Hubble Spots Lensing Galaxy Cluster in Draco

Cosmic Leviathan: Hubble Unveils an Exceptionally Massive Galaxy Cluster

JWST Sees a Galaxy Cluster Coming Together in the Early Universe

JWST has spotted the most distant galaxy cluster ever seen

Webb reveals early-universe prequel to huge galaxy cluster

Webb Reveals Early-Universe Prequel to Huge Galaxy Cluster. The seven galaxies highlighted in this James Webb Space Telescope image have been confirmed to be at a distance that astronomers refer to as redshift 7.9, which correlates to 650 million years after the Big Bang.

Hubble Captures Rarely Explored Galaxy Cluster, Filled With Cosmic Curiosities

Galaxy cluster X-ray discovery scores another win for the Big Bang theory