沃尔夫·拉叶星

SH2-308：海豚头星云

作者： NASA中文 / 2021年10月21日

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 c […]

天文·每日一图

雷神的头盔

作者： NASA中文 / 2021年7月20日

2021年7月20日 Thor’s Helmet Image Credit & Copyright: Bernard Miller Explanation: Thor not only has his own day (Thursday), but a helmet in the heavens. Popularly called Thor’s Helmet, NGC 2359 is a hat-shaped cosmic cloud with wing-like appendages. Heroically sized even for a Norse go