Fire Rainbows

Rainbows are rarely seen at noon. This is because sunlight needs to hit a raindrop at around a 42 degree-angle to form a rainbow, which is unlikely to happen when the sun is high in the sky. LEARN MORE:

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Key Facts In This Video

  1. What Isaac Newton labeled "blue" on the rainbow, we would call blue-green, teal, or cyan. 00:26

  2. Purple, magenta, and hot pink don't occur in a rainbow produced by a prism. 00:57

  3. Interference from rain drops can create supernumerary rainbows, which may overlap with a primary rainbow to create colors such as purple. 01:43

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Written By Curiosity Staff December 14, 2014