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Originally posted by Julie Washington
Originally posted by Sublimecraft
They are Anticrepusular Rays - a very rare atmospheric phenomena.
Anticrepuscular rays are similar to crepuscular rays, but seen opposite the sun in the sky. Anticrepuscular rays are near-parallel, but appear to converge at the antisolar point because of linear perspective. Anticrepuscular rays are most frequently visible near sunrise or sunset. Crepuscular rays are usually much brighter than anticrepuscular rays. This is because for crepuscular rays, seen on the same side of the sky as the sun, the atmospheric light scattering and making them visible is taking place at small angles
They are the same as Crepuscular rays which:
are rays of sunlight that appear to radiate from a single point in the sky, specifically, where the sun is. These rays, which stream through gaps in clouds (particularly stratocumulus) or between other objects, are columns of sunlit air separated by darker cloud-shadowed regions. The name comes from their frequent occurrences during crepuscular hours (those around dawn and dusk), when the contrasts between light and dark are the most obvious. Crepuscular comes from the Latin word "crepusculum", meaning twilight.
ETA: I see that others here have addressed this queryedit on 27-12-2012 by Sublimecraft because: (no reason given)
Just so people don't get sidetracked without reading the thread.
Originally posted by Lucas73
It could be the sun's reflection off a window, especially if that window is opened out a bit, angling the reflection back up into the sky. That would explain why, unlike the pictures above, the rays dont spread out across a wider part of the sky.edit on 7/1/2013 by Lucas73 because: punctuation.