参宿七

天文·每日一图

参宿七的大视野影像

2023年4月7日 Rigel Wide Image Credit: Rheinhold Wittich Explanation: Brilliant, blue, supergiant star Rigel marks the foot of Orion the Hunter in planet Earth’s night. Designated Beta Orionis, it’s at the center of this remarkably deep and wide field of view. Rigel’s blue color indica

天文·每日一图

参宿七与女巫头星云

2022年1月24日 Rigel and the Witch Head Nebula Image Credit & Copyright: José Mtanous Explanation: By starlight this eerie visage shines in the dark, a crooked profile evoking its popular name, the Witch Head Nebula. In fact, this entrancing telescopic portrait gives the impression that the witch h

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