Almost all galaxy clusters experience mergers. While a merger takes place, a specific pattern of “spiral” often can be observed in X-ray images. Such a spiral feature is due to the motion of the gas ...
Artist’s impression of the center of the Centaurus Cluster. Blue shows a vast flow of hot gas, white shows galaxies, and reddish brown shows cool gas. Tokyo, Japan – The XRISM collaboration have ...
Intergalactic “sloshing” of hot gas. Collisions between clusters generate a “sloshing” effect for the intracluster medium, causing vast flows of gas that cause the content of the clusters to oscillate ...