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Moon dog

moon dog, moon dogecoin
A moon dog, moondog, or mock moon, scientific name paraselene, plural paraselenae, meaning "beside the moon" is a relatively rare bright circular spot on a lunar halo caused by the refraction of moonlight by hexagonal-plate-shaped ice crystals in cirrus or cirrostratus clouds

A pair of moon dogs over Didcot, England

Moon dogs appear as part of the 22° halo, roughly 10 Moon diameters outside the Moon They are exactly analogous to sun dogs, but are rarer because the Moon must be bright, about quarter moon or more, for the moon dogs to be observed Moon dogs show little color to the unaided human eye because their light is not bright enough to activate the cone cells

See also

  • Sun dogs
  • Halo optical phenomenon
  • 22° halo
  • Moon ring

References

  1. ^ a b "Definition of paraselene" Collins English Dictionary 
  2. ^ Lisle, Jason The Stargazer's Guide to the Night Sky p 83 
  3. ^ Lisle, Jason The Stargazer's Guide to the Night Sky p 83 


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Moon dog


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    Moon dog beatiful post thanks!

    29.10.2014


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