保护地球，探索宇宙，发现文明
2023年1月25日 LDN 1622: The Boogeyman Nebula Image Credit & Copyright: Joshua Carter Explanation: To some, the dark shape looks like a mythical boogeyman. Scientifically, Lynds’ Dark Nebula (LDN) 1622 appears against a faint background of glowing hydrogen gas only visible in long telescopic exposures of the region. In contrast, the brighter reflectio...
2020 February 21 LDN 1622: Dark Nebula in Orion Image Credit & Copyright: Min Xie Explanation: The silhouette of an intriguing dark nebula inhabits this cosmic scene. Lynds’ Dark Nebula (LDN) 1622 appears against a faint background of glowing hydrogen gas only visible in long telescopic exposures of the region. In contrast, the brighter reflection ...