parhelion - definizione. Che cos'è parhelion
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In questa pagina puoi ottenere un'analisi dettagliata di una parola o frase, prodotta utilizzando la migliore tecnologia di intelligenza artificiale fino ad oggi:

  • come viene usata la parola
  • frequenza di utilizzo
  • è usato più spesso nel discorso orale o scritto
  • opzioni di traduzione delle parole
  • esempi di utilizzo (varie frasi con traduzione)
  • etimologia

Cosa (chi) è parhelion - definizione

ATMOSPHERIC OPTICAL PHENOMENON
Sun Dog; Sundog; Parhelion; Mock sun; Mock Sun; Sundogs; Parheliae; Sun rainbow; Parhelia (phenomenon); Sun dogs
  • Very bright sun dogs in [[Fargo, North Dakota]]. Also visible are parts of the [[22° halo]] (the arcs passing through each sun dog), a [[sun pillar]] (the vertical line) and the [[parhelic circle]] (the horizontal line).
  • Sun dog phenomenon depicted in the ''[[Nuremberg Chronicle]]''
  • The so-called "Sun Dog Painting" (''[[Vädersolstavlan]]'') depicting [[Stockholm]] in 1535 and the celestial phenomenon at the time interpreted as an ominous presage

parhelion         
[p?:'hi:l??n]
¦ noun (plural parhelia -l??) a bright spot in the sky on either side of the sun, formed by refraction.
Derivatives
parhelic adjective
Origin
C17: from L. parelion, from Gk para- 'beside' + helios 'sun'.
Parhelion         
·noun A mock sun appearing in the form of a bright light, sometimes near the sun, and tinged with colors like the rainbow, and sometimes opposite to the sun. The latter is usually called an anthelion. Often several mock suns appear at the same time. ·cf. Paraselene.
parhelion         
n.
[Gr. pl. Parhelia.] Mock sun.

Wikipedia

Sun dog

A sun dog (or sundog) or mock sun, also called a parhelion (plural parhelia) in meteorology, is an atmospheric optical phenomenon that consists of a bright spot to one or both sides of the Sun. Two sun dogs often flank the Sun within a 22° halo.

The sun dog is a member of the family of halos caused by the refraction of sunlight by ice crystals in the atmosphere. Sun dogs typically appear as a pair of subtly colored patches of light, around 22° to the left and right of the Sun, and at the same altitude above the horizon as the Sun. They can be seen anywhere in the world during any season, but are not always obvious or bright. Sun dogs are best seen and most conspicuous when the Sun is near the horizon.