仙女大星系周围的云气

2022年10月24日 Clouds Around Galaxy Andromeda Image Credit & Copyright: Andrew Fryhover Explanation: What are those red clouds surrounding the Andromeda galaxy? This galaxy, M31, is often imaged by planet Earth-based astronomers. As the nearest large spiral galaxy, it is a familiar sight with dark dust lanes, bright yellowish core, and spiral arms traced b...