we are learning about colours this is for science
Why are there sometimes two rainbows seen at a time?
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In a double rainbow, a second arc is seen outside the primary arc, and has the order of its colours reversed, with red on the inner side of the arc. This is caused by the light being reflected twice on the inside of the droplet before leaving it.
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Often we can see a second rainbow above a brighter one because it is caused by extra reflection inside the raindrops. Since the secondary rainbow is formed from two reflections instead of one, it has a wider radius than the first rainbow and its colors are reversed.
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