Why is the sky blue?

By Roger Rassool
Updated February 24 2022 - 2:57am, first published February 23 2022 - 4:00am
Before we can understand why the sky is blue, we need to first understand what light is and how we perceive colour. Picture: Shutterstock: Carlos Caetano.

Why is the sky blue?

- Asked by Jade

It is a question that, in true Sumner Miller fashion, leads to many more: What is light? What is the sky made of? How do we perceive colour?

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