Hey there!  I was enjoying the really blue sky today, my favorite color!
That is awesome! I was just thinking of colors! I just read that Distant objects can appear to be bluer in color because of "atmospheric perspective" That's cool!
Tell me more about the atmospheric perspective. How does that work?
Well, from what I can tell, it is all about optics! There are unique properties on Earth in our atmospher that cause a wide range of optical illusions and such! 
That's really cool.  I know about red-shifting but this is the first time I've heard the atmosphere makes things look more blue.
Oh, cool, tell me more about red-shifting
It's about how light frequencies change depending on the speed and direction of a moving object. So a star moving away from us looks more red.
Sweet! So it is probably all about physics, like with electromagnetic radiation and increased wavelength type of stuff?
Exactly the wavelengths get longer as something moves away, which shifts it to the red end of the spectrum.
Wow, and I was just sitting here thinking about colors...don't know what to wear now, red or blue!