天津一与星云

2022年6月18日 The Gamma Cygni Nebula Image Credit & Copyright: Min Xie, Chen Wu, Yizhou Zhang, and Benchu Tang Explanation: Supergiant star Gamma Cygni is at the center of the Northern Cross. Near the plane of our Milky Way galaxy, that famous asterism flies high in northern summer night skies in the constellation Cygnus the Swan. Known by the proper name ...