A flash of lightning, and then—something else. High above a storm, a crimson figure blinks in and out of existence. If you see it, you are a lucky witness of a sprite, one of the least-understood electrical phenomena in Earth’s upper atmosphere.Image Credit: Nicolas EscuratRead More https://www.nasa.gov/image-detail/nasa-december-2025-3456x2234/Copy URL to clipboard> DownloadShare Source link
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