标签： 超大质量黑洞

天文·每日一图

 由 

星系NGC 1097

2022年11月16日 In the Arms of NGC 1097 Image Credit & Copyright: Mike Selby, Mark Hanson Explanation: Spiral galaxy NGC 1097 shines in southern skies, about 45 million light-years away in the heated constellation Fornax. Its blue spiral arms are mottled with pinkish star forming regions in this colorful galaxy portrait. They seem to have wrapped around a s...

天文·每日一图

 由 

跳舞的幽灵：活跃星系的弯曲喷流

2021年9月1日 Dancing Ghosts: Curved Jets from Active Galaxies Image Credit: Jayanne English & Ray Norris, EMU-ASKAP, DES; Text: Jayanne English (U. Manitoba) Explanation: Why would galaxies emit jets that look like ghosts? And furthermore, why do they appear to be dancing? The curled and fluffy jets from the supermassive black holes at the centers of two h...