A bright spot on a lunar halo, caused by the refraction of moonlight by ice crystals in the atmosphere; a moon dog — the lunar equivalent of a sun dog.
From Greek 'para' (beside) + 'selene' (moon). When ice crystals in the sky bend moonlight, they create ghostly companion moons flanking the real one.
GHOST MOONS! When ice crystals in the sky make fake moons appear beside the real one! They're called moon dogs! The sky is playing tricks with moonlight and it's absolutely magical! 🌙ðŸ•ðŸŒ™
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