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Listed under:  Science  >  Earth and space  >  Atmosphere  >  Atmospheric light  >  Rainbows
Video

Colourful Weather, Ep 1: What shape is a rainbow?

All you need is water, the sky and sunlight and you’ve got something that’s colourful – with a pot of gold at each end. What is it? A rainbow! Find out what happens to sunlight inside a raindrop, why rainbow colours are always in the same order and the real shape of a rainbow. Tip: it’s not an arch!

Video

How do prisms create rainbows?

Zoom inside a glass prism and see why glass makes light bend, and how the glass molecules make different colours of light bend different amounts.