Why is the Sky So Blue?

I love that he's asking questions like this!

I've been wondering when Isaac would ask!
Well, today he did.
Though funnily, he didn't ask, "Why is the sky blue?" He asked, "Why is the sky so blue." And it wasn't even all that blue. Funny little guy.

Jeremy had studied up on the subject a while ago in preparation for this moment, and explained that it had to do with the way the light is refracted through the air. Though if you want a more in depth reason, look here

I always thought it was the reflection of the oceans. Wonder who told me that!?