Solar halo appears in Moscow and surrounding region
The first working day of February brought a surprise beyond the frosts, as residents observed a rainbow-like optical phenomenon in the sky.
Apr 17, 2026 0
A photograph shared by a reader shows the solar halo seen from Kashirskoye Highway.
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On Monday, February 2, residents of Moscow and the Moscow region observed a very unusual phenomenon for winter — a rainbow appeared in the sky. A photograph was shared with the MSK1.RU editorial office by a reader named Marina, who noticed the glow on Kashirskoye Highway.
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The unusual phenomenon was also observed by residents of the Moscow region towns of Lyubertsy and Kommunarka.
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This optical phenomenon, which resembles a rainbow, is called a halo. It occurs when light is refracted by ice crystals in cirrus clouds and fog, breaking it down into a spectrum. Usually, a halo appears as white or rainbow-colored arcs or rings around the sun.
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