AUSTIN (KXAN) — The haze has returned to our beautiful azure blue Central Texas sky. Why? There’s a simple explanation. This is the season for agricultural burning in Mexico. This “burning ...

So now that we know why the sky is blue, ... The result is a crystal clear view of the azure expanse above. The warm hues of fall foliage naturally complement the blue sky.

Redder when the Sun sets and rises. Of course, the sky is not always blue. And Rayleigh scattering also explains why the sky tends to be reddish when the Sun is close to the horizon – at sunrise ...

AUSTIN (KXAN) — The haze has returned to our beautiful azure blue Central Texas sky. Why? There’s a simple explanation. This is the season for agricultural burning in Mexico. This “burning ...