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- Aureole_effect abstract "The aureole effect or water aureole is an optical phenomenon similar to Heiligenschein, creating sparkling light and dark rays radiating from the shadow of the viewer's head. This effect is seen only over a rippling water surface. The waves act as lenses to focus and defocus sunlight: focused sunlight produces the lighter rays, while defocused sunlight produces the darker rays. Suspended particles in the water help make the aureole effect more pronounced. The effect extends a greater angular distance from the viewer's shadow when the viewer is higher above the water, and can sometimes be seen from a plane.Although the focused (light) ray cones are actually more or less parallel to each other, the rays from the aureole effect appear to be radiating from the shadow of the viewer’s head due to perspective effects. The viewer's line of sight is parallel and lies within the cones, so from the viewer's perspective the rays seem to be radiating from the antisolar point, within the viewer's shadow.As in similar antisolar optical effects (such as a glory or Heiligenschein), each observer will see an aureole effect radiating only from their own head’s shadow. Similarly, If a photographer holds their camera at arm's length, the aureole effect appearing in the picture will be seen radiating from the shadow of the camera, although the photographer would still see it around their head's shadow while taking the picture. This happens because the aureole effect always appears directly opposite the sun, centered at the antisolar point. The antisolar point itself is located within the shadow of the viewer, whatever this is: the eyes of the viewer or the camera's lens. As a matter of fact, when aureole effects are photographed from a plane, it is possible to tell where the photographer was seated.".
- Aureole_effect thumbnail Aureole-Effect_ar_San_Francisco_Bay.jpg?width=300.
- Aureole_effect wikiPageID "26662554".
- Aureole_effect wikiPageRevisionID "415767755".
- Aureole_effect hasPhotoCollection Aureole_effect.
- Aureole_effect subject Category:Atmospheric_optical_phenomena.
- Aureole_effect subject Category:Scientific_terminology.
- Aureole_effect type AtmosphericOpticalPhenomena.
- Aureole_effect type NaturalPhenomenon111408559.
- Aureole_effect type OpticalPhenomenon111490638.
- Aureole_effect type Phenomenon100034213.
- Aureole_effect type PhysicalEntity100001930.
- Aureole_effect type PhysicalPhenomenon111419404.
- Aureole_effect type Process100029677.
- Aureole_effect comment "The aureole effect or water aureole is an optical phenomenon similar to Heiligenschein, creating sparkling light and dark rays radiating from the shadow of the viewer's head. This effect is seen only over a rippling water surface. The waves act as lenses to focus and defocus sunlight: focused sunlight produces the lighter rays, while defocused sunlight produces the darker rays. Suspended particles in the water help make the aureole effect more pronounced.".
- Aureole_effect label "Aureole effect".
- Aureole_effect sameAs m.0bh958c.
- Aureole_effect sameAs Q4822297.
- Aureole_effect sameAs Q4822297.
- Aureole_effect sameAs Aureole_effect.
- Aureole_effect wasDerivedFrom Aureole_effect?oldid=415767755.
- Aureole_effect depiction Aureole-Effect_ar_San_Francisco_Bay.jpg.
- Aureole_effect isPrimaryTopicOf Aureole_effect.
