标签: sharpless 308

SH2-308: 海豚头星云

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SH2-308:海豚头星云

2021年10月21日 SH2-308: The Dolphin-Head Nebula Image Credit & Copyright: Nik Szymanek Explanation: Blown by fast winds from a hot, massive star, this cosmic bubble is huge. Cataloged as Sharpless 2-308 it lies some 5,000 light-years away toward the constellation of the Big Dog (Canis Major) and covers slightly more of the sky than a Full Moon. That corres...