双鱼座的壳状星系
2020年8月27日 Shell Galaxies in Pisces Image Credit & Copyright: Martin Pugh Explanation: This intergalactic skyscape features a peculiar system of galaxies cataloged as Arp 227 some 100 million light-years distant. Swimming within the boundaries of the constellation Pisces, Arp 227 consists of the two galaxies prominent right of center, the curious shell ...