Hey!
So i was juste outside looking at the sky and there are many clouds out right now, they’re all of many different sizes and shapes but they all share one common trait. Their underside is flat. I thought it may just be the perspective or lighting but if that’s the case then it’s a very convincing illusion because they all look like they have a flat bottom…
is there a reason for this or is it actually not the case?
In: Physics
Imagine you have a balcony full of small glowing balls. Some of them are close to the edge. Too close and they fall off. Now make it dark. The glowing balls form a very straight edge that is also the edge of your balcony. You can’t see the balcony but you can see the glowing edge.
You can’t see water vapor but you can see “cloud”.
Clouds have a minimum height to be at. Anytime a part of the cloud is a little lower, it cannot be a cloud anymore. And so you see the flat bottom as the minimum height where clouds can be.
It heavily depends on weather conditions, which is why sometimes clouds are higher up than on other days.
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