by Stéphane Guisard (images) from ESO Paranal
Observatory in the Chilean
Atacama Desert. ©Stéphane Guisard,
shown with permission.
Paranal Observatory, the site of four advanced
optically linked 8.2m telescopes, is 2600m high and overlooks the
Pacific Ocean 12km to the west.
cool air beneath warmer, over the ocean frequently
mirage its sunsets to
give extreme distortions and green
Here the sun is seen partially through a highly structured inversion
layer to produce a mock-mirage slicing
the lower disk into multiple
At top, the stronger refraction of green light compared
to red gives the disk its green
rim, strengthened slightly by the mirage vertical