T he sky isn't just blue by chance. I t takes all the colors of the rainbow for us to see it that ... That's because blue and violet light have the shortest, smallest wavelengths.

The light bends change direction by a total of about 138°, but red light bends a little less, blue light a ... since the center of the rainbow has to be 180° around the sky from the Sun, shadows ...

An iridescent rainbow-colored cloud seemed to magically materialize in the sky above Vermont. The colorful streaks across Sunday's blue sky puzzled ... horizon -- and its light is refracted ...

The Syracuse sky was filled with a gorgeous mix of colors thanks to a double rainbow ... The light is bent, showing a spectrum of colors -- red, orange, yellow, green, blue, indigo and violet ...

These images feature zodiacal light — the faint, diffuse glow created by sunlight scattering off dust particles in orbit.

If you’ve ever played with a prism or seen a rainbow, then you know light is made up of ... you can see the blue sky fade away to a black background as it climbs above the atmosphere.

If we were to start at the beginning of the rainbow ... blue. So, the next time you find yourself outside on a sunny day, stop and take a look. Now, you’ll be able to see the sky under a new light.

When an 'inverted rainbow' appeared across the blue sky, Louise and Mark Longson ... only formed if there are ice crystals in the sky as the light is refracted in opposite direction than if ...