Why Do Clouds Stay Up?
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[MUSIC] People have been looking at clouds since people have been… people. Those billowing shapes might have been our first art or characters in our first stories. We still love to pick out shapes, like bears, fish, flying saucers, faces, elephants. Some clouds even fly through the sky like airplanes. Which is weird because clouds are full of so much water that they can easily weigh as much as a jumbo jet. So why don’t they fall out of the sky? [MUSIC] There's lots of different kinds of clouds, but in the most general weathery terms, clouds are big fluffy piles of water vapor that live overhead. As warm, humid air rises through the lower atmosphere, it expands, cools, and some of it condenses into very tiny liquid droplets. And so a cloud i...
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[MUSIC] People have been looking at clouds since people have been… people. Those billowing shapes might have been our first art or characters in our first stories. We still love to pick out shapes, like bears, fish, flying saucers, faces, elephants. Some clouds even fly through the sky like airplanes. Which is weird because clouds are full of so much water that they can easily weigh as much as a jumbo jet. So why don’t they fall out of the sky? [MUSIC] There's lots of different kinds of clouds, but in the most general weathery terms, clouds are big fluffy piles of water vapor that live overhead. As warm, humid air rises through the lower atmosphere, it expands, cools, and some of it condenses into very tiny liquid droplets. And so a cloud i...
