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- Q2569354 subject Q7235929.
- Q2569354 abstract "Template:ForAn anthelion (plural anthelia, from late Greek ανθηλιος, "opposite the sun") is a rare optical phenomenon appearing on the parhelic circle opposite to the sun as a faint white halo, not unlike a sundog.How anthelions are formed is disputed. Walter Tape, among others, has argued they are not separate haloes, but simply where various haloes caused by horizontally oriented column-shaped ice crystals coincide on the parhelic circle to create a bright spot. If this theory is correct, anthelia should only appear together with these other haloes.However, anthelia occur unaccompanied by other plate crystal haloes, thus scientists have produced alternative explanations. The Dutch professor S.W. Visser proposed they form by two exterior light reflections in quadrangular prisms, while Robert Greenler has suggested two interior reflection in column-shaped crystals produces the phenomenon.While the anthelion area is usually sparse on haloes, in a complex display it features various rare optic phenomena: Flanking the anthelion on the parhelic circle are two 120° parhelia (and two Liljequist parhelia) caused by plate crystals. The Tricker and diffuse arcs are produced in singly oriented column crystals and form an Ankh-like shape passing through the anthelion. Wegener arcs occasionally crosses the sky to converge in the anthelion.".
- Q2569354 thumbnail Anthelion_120_parhelion_Vädersolstavlan.jpg?width=300.
- Q2569354 wikiPageExternalLink anthelion-and-anthelic-arcs.html.
- Q2569354 wikiPageWikiLink Q1052.
- Q2569354 wikiPageWikiLink Q1325808.
- Q2569354 wikiPageWikiLink Q1339916.
- Q2569354 wikiPageWikiLink Q1429633.
- Q2569354 wikiPageWikiLink Q14506045.
- Q2569354 wikiPageWikiLink Q180439.
- Q2569354 wikiPageWikiLink Q186310.
- Q2569354 wikiPageWikiLink Q208589.
- Q2569354 wikiPageWikiLink Q2628009.
- Q2569354 wikiPageWikiLink Q3137671.
- Q2569354 wikiPageWikiLink Q3198563.
- Q2569354 wikiPageWikiLink Q3738745.
- Q2569354 wikiPageWikiLink Q525.
- Q2569354 wikiPageWikiLink Q7235929.
- Q2569354 wikiPageWikiLink Q7631806.
- Q2569354 wikiPageWikiLink Q9129.
- Q2569354 comment "Template:ForAn anthelion (plural anthelia, from late Greek ανθηλιος, "opposite the sun") is a rare optical phenomenon appearing on the parhelic circle opposite to the sun as a faint white halo, not unlike a sundog.How anthelions are formed is disputed. Walter Tape, among others, has argued they are not separate haloes, but simply where various haloes caused by horizontally oriented column-shaped ice crystals coincide on the parhelic circle to create a bright spot.".
- Q2569354 label "Anthelion".
- Q2569354 depiction Anthelion_120_parhelion_Vädersolstavlan.jpg.