The team analysed 19 galaxies in the Spiderweb protocluster, located 11 billion light-years away. Eight of these galaxies host active supermassive black holes and exhibit little to no star formation.
Recently, the group of Prof. Labao Zhang of Nanjing University, together with the group of researcher Haiyong Gan of the National Institute of Metrology, China, have developed a new thermal radiation ...