this post was submitted on 24 Feb 2026
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Thunderstorms conjure ghostly coronae in treetops, observed outdoors for the first time (phys.org)
submitted 2 days ago by rss@news.abolish.capital to c/ecosocial@news.abolish.capital
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For the first time, researchers have observed and measured weak electrical discharges, known as coronae, on trees during thunderstorms. A new study describes the near-invisible sparkles appearing similarly on branches of several tree species up and down the U.S. East Coast during the summer of 2024, implying that thunderstorms may paint entire canopies with a scintillating blue glow, albeit too faintly for human eyes to see.

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