Why is the Sky Blue?

Why is the Sky Blue?

The sky is made of air, which is obviously not blue. So, why is the sky blue? This seems like a tricky question which children ask a lot. But in...

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What is the Sun?

What is the Sun?

It might have been difficult to notice through Storm Doris yesterday, but with every day there is a sunrise and a sunset. In between, the familiar...

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