A beautiful Rainbow in France early July 2008
A rainbow is an optical and meteorological phenomenon that makes visible the continuous spectrum of light from the sky when the sun shines during the rain. It is a colorful arc with the outside red and purple inside.
The rainbow contains 6 or 7 colors that differ depending on the weather. One can observe the effect of a rainbow every time there is water suspended in the air and a light source (usually the Sun) shines behind the observer. The most spectacular rainbows take place when half the sky opposite the sun is obscured by clouds, but that the observer is in a place where the sky is clear. Another common place where you can see this effect is close to waterfalls.
Watch the Video of a Rainbow in France
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Pictures of Rainbows from around the World