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How heavy is the sky?
Brains On! Science podcast for kids
Is the Sky Made Up of Air?
Air molecules are the teeny, tiny building blocks that make up everything. Molecules are so small that we can't see them with our own eyes. But as soon as we start paying attention to our breasts… or the wind blowing outside our window… Or… Oh, sorry, my cat has no manners. Even our farts remind us that air is everywhere. And air is made up of air molecules. How heavy is the sky? So we have all these air molecules from here to the carbon line pushing down on us. Check this in a space with beneath our feet and ends at the carbon line, about 50 to 62 miles above the Earth's surface. The sky is made up
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