Rare 'Red Sprites' Seen From ESO's La Silla Observatory in Chile By Nancy_A
This new image taken of the skies above Chile’s Atacama Desert near the European Southern Observatory’s La Silla Observatory, shows bright red streaks in the sky known as red sprites. Red sprites are large-scale electrical discharges that occur high above thunderstorm clouds, usually triggered by the discharges of positive lightning between an underlying thundercloud and the ground.
However, the red sprites appear high in Earth’s atmosphere, sometimes 50-90 km in altitude.People have been telling folktales for centuries about mysterious red lights in the sky, which were usually dismissed by experts. According to theeven when respectable pilots or scientists described them, the scientific community ignored the events. However, in 1989, scientists from the University of Minnesota actually captured pictures of red sprites, and the attitude about them has since changed.
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