标签： 磁暴

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天文·每日一图

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稳定极光红弧与银河

2023年11月11日 The SAR and the Milky Way Image Credit & Copyright: Julien Looten Explanation: This broad, luminous red arc was a surprising visitor to partly cloudy evening skies over northern France. Captured extending toward the zenith in a west-to-east mosaic of images from November 5, the faint atmospheric ribbon of light is an example of a Stable Auro...

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天文·每日一图

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拉普兰上空的极光暴

2023年4月19日 Auroral Storm over Lapland Image Credit & Copyright: Juan Carlos Casado (Starry Earth, TWAN) Explanation: On some nights the sky is the best show in town. On this night, auroras ruled the sky, and the geomagnetic storm that created this colorful sky show originated from an increasingly active Sun. Surprisingly, since the approaching solar CME...