夏普利斯308:海豚星云
2020 March 2 Sharpless-308: The Dolphin Nebula Image Credit & Copyright: Chilesope 2, Pleaides Astrophotography Team (Peking U.) Explanation: Blown by fast winds from a hot, massive star, this cosmic bubble is much larger than the dolphin it appears to be. Cataloged as Sharpless 2-308 it lies some 5,200 light-years away toward the constellation of the Bi...