马头与火焰星云

2022年12月29日 Horsehead and Flame Image Credit & Copyright: Jason Close Explanation: The Horsehead Nebula, famous celestial dark marking also known as Barnard 33, is notched against a background glow of emission nebulae in this sharp cosmic skyscape. About five light-years “tall” the Horsehead lies some 1,500 light-years away in the constellat...