NASA’s Chandra Rings in New Year With Champagne Cluster As we toast to fresh beginnings, NASA’s Chandra X-ray Observatory delivers a cosmic celebration: the Champagne Cluster, a stunning merger of two galaxy clusters captured in a new composite image blending X-ray and optical data.[1][2][4] Discovered on December 31, 2020, this bubbly phenomenon—officially RM J130558.9+263048.4—earns its…
