If the sky is blue during the day, why does it turn brilliant shades ... sunlight is a blend of all the colors of the rainbow. Each color corresponds to light waves of different lengths—red ...

A rainbow arches over Boeing's Renton factory during a dark and gloomy day. "Maybe a good omen for Boeing," the photographer ...

A blue sky has a positive impact on our psyche, not only being something beautiful to behold but also because it foretells a ...