February - halos You are here: Home Photo gallery Atmospheric optics Atmospheric refraction Superior mirages

Superior mirages are mirages of objects which occur above the object (as opposed to below the object, with an inferior mirage). Superior mirages may occur when there is a strong temperature inversion, such as warm air over a cold surface. They are very rare in many parts of the world, but seen frequently in polar regions. The temperature inversion refracts (bends) light rays downwards, and you see a mirage of an object above the object itself, usually mirrored upside-down.

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