• Question: why is the sky blue

    Asked by xxx_Sidtheultimateswaglord3000_xxx to Hephzi, Imogen, Tom on 19 Mar 2015.
    • Photo: Thomas Barrett

      Thomas Barrett answered on 19 Mar 2015:

      A clear cloudless day-time sky is blue because molecules in the air scatter blue light from the sun more than they scatter red light. When we look towards the sun at sunset, we see red and orange colours because the blue light has been scattered out and away from the line of sight.

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