... Four spiral galaxies in Leo . ... A galaxy cluster gets sloshed . Sloshing helps prevent cooling of the gas in the clusterт??s core, setting limits on the growth of the giant elliptical galaxy and its supermassive black hole. ... Like wine in a glass, vast clouds of hot gas are sloshing back and forth in Abell 2052, a galaxy cluster located about 480 million light-years from Earth. ... The sloshing gas ended up in a spiral pattern because the collision between the two clusters was off-center. ...