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- 46°_halo abstract "A 46° halo is a rare member of the family of ice crystal halos, appearing as a large ring centred on the Sun at roughly twice the distance as the much more common 22° halo. At solar elevations between 15-27°, the 46° halo is often confused with the less rare and more colourful supralateral and infralateral arcs, which cross the parhelic circle at about 46° to the left and right of the sun.The 46° halo is similar to, but much larger and fainter than the more common 22° halo. It forms when sunlight enters randomly oriented hexagonal ice crystals through a prism face and exits through a hexagonal base. The 90° inclination between the two faces of the crystals causes the colours of the 46° halo to be more widely dispersed than those of the 22° halo. In addition, as a lot of rays are deflected at larger angles than the angle of minimum deviation, the outer edge of the halo is more diffuse.To tell the difference between a 46° halo and the infra-/supralateral arcs, one should carefully observe sun elevation and the fluctuating shapes and orientations of the arcs. The supralateral arc always touches the circumzenithal arc, while the 46° halo only achieves this when the sun is located 15-27° over the horizon, leaving a gap between the two at other elevations. In contrast, supralateral arcs cannot form when the Sun is over 32°, so a halo in the 46°-region is always a 46° halo at higher elevations. If the Sun is near the zenith, however, circumhorizontal or infralateral arcs are located 46° under the Sun and can be confused with the 46° halo.".
- 46°_halo wikiPageExternalLink 46hal.htm.
- 46°_halo wikiPageID "10809455".
- 46°_halo wikiPageLength "3514".
- 46°_halo wikiPageOutDegree "17".
- 46°_halo wikiPageRevisionID "692328787".
- 46°_halo wikiPageWikiLink 22°_halo.
- 46°_halo wikiPageWikiLink Category:Atmospheric_optical_phenomena.
- 46°_halo wikiPageWikiLink Circumhorizontal_arc.
- 46°_halo wikiPageWikiLink Circumzenithal_arc.
- 46°_halo wikiPageWikiLink HaloSim.
- 46°_halo wikiPageWikiLink Halo_(optical_phenomenon).
- 46°_halo wikiPageWikiLink Hexagon.
- 46°_halo wikiPageWikiLink Ice_crystals.
- 46°_halo wikiPageWikiLink Infralateral_arc.
- 46°_halo wikiPageWikiLink Minimum_deviation.
- 46°_halo wikiPageWikiLink Parhelic_circle.
- 46°_halo wikiPageWikiLink Prism.
- 46°_halo wikiPageWikiLink Sun.
- 46°_halo wikiPageWikiLink Supralateral_arc.
- 46°_halo wikiPageWikiLink Zenith.
- 46°_halo wikiPageWikiLinkText "46° halo".
- 46°_halo wikiPageUsesTemplate Template:Reflist.
- 46°_halo subject Category:Atmospheric_optical_phenomena.
- 46°_halo hypernym Member.
- 46°_halo type Person.
- 46°_halo type Diacritic.
- 46°_halo type Redirect.
- 46°_halo comment "A 46° halo is a rare member of the family of ice crystal halos, appearing as a large ring centred on the Sun at roughly twice the distance as the much more common 22° halo. At solar elevations between 15-27°, the 46° halo is often confused with the less rare and more colourful supralateral and infralateral arcs, which cross the parhelic circle at about 46° to the left and right of the sun.The 46° halo is similar to, but much larger and fainter than the more common 22° halo.".
- 46°_halo label "46° halo".
- 46°_halo sameAs Q4354381.
- 46°_halo sameAs 46_asteen_rengas.
- 46°_halo sameAs Halo_de_46°.
- 46°_halo sameAs 46°-halo.
- 46°_halo sameAs Halo_46°.
- 46°_halo sameAs Halo_de_46º.
- 46°_halo sameAs m.02qqny7.
- 46°_halo sameAs Q4354381.
- 46°_halo sameAs 46度暈.
- 46°_halo wasDerivedFrom 46°_halo?oldid=692328787.
- 46°_halo isPrimaryTopicOf 46°_halo.