File:Diffraction Halo at Sunset.jpg
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Size of this preview: 800 × 531 pixels. Other resolutions: 320 × 213 pixels | 640 × 425 pixels | 1,024 × 680 pixels | 1,280 × 850 pixels | 2,048 × 1,360 pixels.
Original file (2,048 × 1,360 pixels, file size: 1.23 MB, MIME type: image/jpeg)
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Summary[edit]
| Description |
The diffraction of sunlight by trees at Sunset, forming this colors of rainbow. No: this beautiful corona is the result of diffraction of sunlight by tiny droplets in the air. Tree leaves are much too large to produce a visible diffraction pattern, and much too irregular to produce sharp colors. The droplet population has to be extremely homogeneous in size. No, no: coronae due to diffraction by tiny droplets in the air show a different sequence of colours. The most probable explanation is that the front lens of the camera was misted, see http://www.itp.uni-hannover.de/~zawischa/ITP/strange.html#dewcorona |
| Date | |
| Source | self-made; along Going-to-the-Sun Road between Jackson Glacier Overlook and Sunrift Gorge, Glacier National Park, Montana, USA. |
| Author | Wing-Chi Poon |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:18, 28 November 2005 | | 2,048 × 1,360 (1.23 MB) | Wingchi (talk | contribs) | Taken by Wing-Chi Poon on 7th July 2005 along Going-to-the-Sun Road between Jackson Glacier Overlook and Sunrift Gorge, Glacier National Park, Montana, USA. This photo shows the diffraction of sunlight by trees at Sunset, forming the colo |
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