Daily Archives: August 9, 2021

What holds clouds up, and why are some fluffy on top but flat on the bottom?

One of our readers awoke to some beautiful clouds in the summer sky recently, and those two excellent questions popped into her mind.

Clouds are composed of tiny liquid water droplets (whose diameters are about the width of a human hair) and tiny shards of ice in a variety of shapes. Continue reading

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