Ever wonder why the sky is blue, vs. say red, orange or purple? An effect called Rayleigh Scattering is part of the reason we ...

The way the light leaves the blue hue in this instance is essentially the same reason our sky is blue ... Snow can be pink or purple, depending on how the light hits it. According to UCAR Center ...

There were some strange skies over Wales on Thursday, like this almost crimson scene in Treforest, Rhondda Cynon Taf There was a lighter hue ... blue skies, that made the sky appear pink and purple.

According to Scientific American, the purple hue isn’t exactly intentional ... They need to either combine different LED colors (red, green, blue) or use a blue LED and cover it with yellow ...