标签： 增速导致的突发性热辐射

天文·每日一图

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交错于乡道上空的STEVE与银河

2023年9月27日 STEVE and Milky Way Cross over Rural Road Image Credit & Copyright: Theresa Clarke Explanation: Not every road ends in a STEVE. A week ago, a sky enthusiast’s journey began with a goal: to photograph an aurora over Lake Huron. Driving through rural Ontario, Canada, the forecasted sky show started unexpectedly early, causing the photogra...

天文·每日一图

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STEVE辉光与银河

2020年11月17日 A Glowing STEVE and the Milky Way Image Credit: NASA, Krista Trinder Explanation: What’s creating these long glowing streaks in the sky? No one is sure. Known as Strong Thermal Emission Velocity Enhancements (STEVEs), these luminous light-purple sky ribbons may resemble regular auroras, but recent research reveals significant differences. A...