If water is clear, why do rain clouds get really dark?
In: Planetary Science
Imagine you have a big bag of candy floss, when you look through a small piece of it the light can pass through easily, so it looks light and fluffy. Now, imagine squeezing a lot of candy floss together into a thick ball. It becomes a lot harder for the light to pass through, so it looks darker.
Rain clouds are like that. When a cloud is thin, sunlight can pass through it easily so it looks white. But when a cloud gets very thick and full of water droplets, the light has a harder time getting through, making the cloud look dark.
So dark cloud means they are full of water and might rain soon!
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