Parhelia: suns and mock suns... | Magazine PONANT
Parhelion

A sundog is an atmospheric optical phenomenon often observed in polar regions. It occurs when the Sun is low and the atmosphere is filled with ice crystals. Two bright spots appear either side of the Sun like copies of our daytime star, or loyal dogs close at its heels! Sundogs are also known as “phantom suns” or “mock suns”.

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