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Rare Red Sprite Caught on Camera

A rare phenomenon has been captured on film by a photographer in Chile. The elusive red sprites only last for a few milliseconds. 

Petr Horálek, a photographer affiliated with the ESO, had his camera pointed at just the right place at the right time while situated next to the ESO’s Very Large Telescope (VLT) at the Paranal Observatory in Chile.(Scroll Down for Video)

The ESO estimates that the sprites were caused by a storm likely located at least 500 kilometers (about 310 miles) away.

Named after Shakespeare’s mischievous sprites Puck, from A Midsummer Night’s Dream, and Ariel, from The Tempest, sprites are caused by irregularities in the ionosphere.

What are Sprites?

Sprites are large-scale electrical discharges that occur high above thunderstorm clouds, or cumulonimbus, giving rise to a quite varied range of visual shapes flickering in the night sky. They are triggered by the discharges of positive lightning between an underlying thundercloud and the ground.

Sprites appear as luminous reddish-orange flashes. They often occur in clusters within the altitude range 50–90 km (31–56 mi) above the Earth’s surface. Sporadic visual reports of sprites go back at least to 1886, but they were first photographed on July 6, 1989 by scientists from the University of Minnesota and have subsequently been captured in video recordings many thousands of times.

Sprites are sometimes inaccurately called upper-atmospheric lightning. However, sprites are cold plasma phenomena that lack the hot channel temperatures of troposphericlightning, so they are more akin to fluorescent tube discharges than to lightning discharges.


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About Cynthia Schnepp (905 Articles)
YouTube Personality 'ShantiUniverse', Chief Editor & Columnist of From San Antonio Texas has lived in New York, England, and Las Vegas.