Adam is getting bored

_Elsa_

Misty continues reading the article.

‘How the atmosphere plays with light - When the Sun’s beams reach Earth, they meet the molecules in Earth’s atmosphere. The molecules then begin to play with the light — bouncing it back and forth between themselves. This is called “scattering”.

The longer a wavelength of light is, the longer it can keep scattering between the molecules in our Earth’s atmosphere before “tiring out” and going back into space. Blue light has a shorter wavelength than red or pink light. This means it can only bounce between the molecules for a shorter distance.

When Australia is directly facing the Sun (daytime), there’s less atmosphere for the light to pass through. Blue light can easily come out the other side — giving us a blue sky.’ (Source)

Claire is really enjoying this but Adam is getting a bit bored and restless.

‘We already know Earth spins in its place.  Remember that during sunset in Australia, we are circling away from the Sun and no longer facing it directly. This means sunlight has to travel through a thicker slice of the atmosphere to reach us. This happens during sunrise too when Australia is moving towards the Sun. 

With this larger distance of atmosphere to cover, the blue light gets tired. It can’t keep up anymore, so it mostly bounces back out into space. But the red, orange and yellow light have longer wavelengths. This means they can scatter for longer and travel through the atmosphere to reach us. And this is why we have beautiful bright sunsets and sunrises.’ (Source)

Let’s continue - Interesting facts about sunrise and sunset

Start at the beginning – Misty offers some information on sunrise and sunset

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Start at the beginning of the main story – Why … But WHY?

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