标签: absorption nebula

LBN 86: 鹰魟星云

2023年11月27日 LBN 86: The Eagle Ray Nebula Image Credit & Copyright: Vikas Chander Explanation: This eagle ray glides across a cosmic sea. Officially cataloged as SH2-63 and LBN 86, the dark nebula is composed of gas and dust that just happens to appear shaped like a common ocean fish. The interstellar dust nebula appears light brown as it blocks and redd...

LDN 1622: 恶灵星云

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...

暗分子云巴纳德68

2020年11月22日 Dark Molecular Cloud Barnard 68 Image Credit: FORS Team, 8.2-meter VLT Antu, ESO Explanation: Where did all the stars go? What used to be considered a hole in the sky is now known to astronomers as a dark molecular cloud. Here, a high concentration of dust and molecular gas absorb practically all the visible light emitted from background stars. T...