Red Sprite

News Excerpt:

A European Space Agency (ESA) astronaut recently photographed an uncommon occurrence termed a red sprite.

About Red Sprite:

  • A red sprite represents an extraordinary meteorological phenomenon categorised as a Transient Luminous Event (TLE). 
  • It occurs above thunderclouds at altitudes between 40 and 80 kilometres (25 - 50 miles) above the Earth's surface. 
  • Unlike typical lightning bolts that descend from the clouds to the ground, a sprite behaves inversely, ascending into the atmosphere, resembling a form of reverse lightning.
  • The occurrence of a Red sprite lasts only for milliseconds.

 

Significance of observation of Red Sprite:

  • It aims to investigate upper atmospheric lightning.
  • There is observation of its implications on greenhouse gas levels, thereby influencing global warming.

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