熔融星系的爱因斯坦环
2022年7月5日 A Molten Galaxy Einstein Ring Image Credit: ESA/Hubble & NASA, S. Jha; Processing: Jonathan Lodge Explanation: It is difficult to hide a galaxy behind a cluster of galaxies. The closer cluster’s gravity will act like a huge lens, pulling images of the distant galaxy around the sides and greatly distorting them. This is just the case obse...