Why is there no air on the Moon?

I was asked two questions a few weeks ago and I’ve been pondering the answers ever since: Why is there no air on the Moon? And how does our air stay on Earth?

Moon Day 12
Moon Day 12

These fantastic questions got me thinking about my answers to What is air made of? and Why are there no trees on the Moon?. But neither of those quite answered these new questions. So, after much deliberation, here’s my answer!

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Why are stars white?

stars

My 5-year-old is fascinated by the night sky and loves to look at the moon and stars. She wants to buy a telescope so that she can see all the stars in space! But she wonders why are all the stars white?

Well, they’re not but you can’t see their colours by looking at them with just your eyes. They are so very far away from Earth that you need to use a telescope to study them in more detail.

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