Quote Originally Posted by Yaridovich View Post
I've heard that it's because of the refraction of light on particles in the air. It avoids all light in the spectrum except blue, which it causes to spread in the sky.


Or something like that.

Why are dogs better than cats?
No, no, no - that's not how it's played. It has to be related.

Example:
You should have only posted the answer. Then the next poster AFTER you posts the why? question.

Also, the why has to be directly related to the answer posted above. So a question of why that would have worked would be , "Why does refraction of light occur?"

Follow?