the.com/sundog

a ghost sun haunting the sky, conjured by ice crystals playing with light.

means A bright spot or patch of light that appears beside the sun, caused by sunlight refracting through ice crystals in the atmosphere.

from English, and a bit of a puzzle. The 'sun' part is plain enough; the 'dog' part is the mystery. The popular idea is that these spots 'follow' the sun like a loyal dog trotting at its heels, but no one is certain that's the true root. The word is old in English (the related 'water-dog' once named a small cloud thought to herald rain), and some have linked 'dog' here to obscure Norse or dialect terms — though such connections remain unproven. The honest answer: the canine in this celestial creature is of uncertain pedigree.

true name
scientists call them parhelia, meaning beside the sun
exact spot
always 22 degrees from the sun, never closer
ice recipe
flat hexagonal crystals drifting like tiny prisms
color order
red toward the sun, blue away from it
ancient omen
once read as warnings of coming storms
for instance

moilanen arc — rare halo phenomenon observed in finnish lapland and polar regions, forms a distinctive curved arc above sundogs

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