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Green Flash at Paranal
An example of a green flash seen from Cerro Paranal. The image was taken by Stéphane Guisard (ESO). Please remember that looking at the Sun, especially through an optical device (camera, telescope, binoculars, etc.), is very dangerous, and could cause immediate blindness. Do not attempt to observe the Sun unless you know what you are doing.
Credit:
ESO/S. Guisard (www.eso.org/~sguisard)
