Atmospheric Phenomena

3 rare and mysterious atmospheric phenomena at once, observed on the same night, were discovered for the first time since the analysis of data from 2015

(ORDO NEWS) — (a) A wide, stable red auroral arc (SAR) is observed at 09:27 UT (left), a strong thermal emission velocity enhancement (STEVE) at 09:51 UT (center), and a partial arc with green picket fence structures at 10 :02 UT (right). Auroral activity is observed in the lower (southern) part of each image. West – right; (b, c, and d) show decomposed images in red, green, and blue, respectively,…