Caption: Double rainbow seen over plains. The outer rainbow is called a secondary rainbow. A rainbow is a spectrum of sunlight caused by the refraction and reflection of light in raindrops. The primary rainbow forms a circle 42 degrees from the shadow of the observer's head (the antisolar point). The secondary rainbow is formed by a double reflection in raindrops, and appears some 52 degrees from the antisolar point. The double reflection means it is fainter, and its colour order is reversed. Filmed in Colorado, USA, in summer.

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Keywords: america, atmosphere, atmospheric, beautiful, beauty, clouds, color, colors, colour, colours, cumulonimbus, double, education, educational, effect, environment, falling, late afternoon, meteorological, meteorology, north america, optical, precipitation, pretty, rain, rainbow, reflected, reflection, refracted, refraction, second, secondary, sky, spectrum, summer, united states, us, usa, visual, weather

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Double rainbow

K003/5126 Royalty Free

Downloadable master

Duration: 00:00:14.04

Frame size: 1920x1080

Frame rate: 29.97

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 450.6M


Capture format: DVCPRO HD

Frame size: 1280x1080

Codec: DVCPRO HD 1080i60

Interlaced: Yes

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