This stunning image features a deep field view of the Cassiopeia constellation where the two small planetary nebulas can be ...

It was around 1870 when the British physicist John William Strutt, better known as Lord Rayleigh, first found an explanation for why the sky is blue: Blue light from the Sun is scattered the most when ...

After finally settling on a shade, I turned to the Farrow & Ball color experts ... relaxation. Airy, light-filled rooms do oh-so-well with paler shades of sky blue, while deeper jewel tones ...

In short, the sky looks blue because the blue portion of sunlight ... Now, picture the nitrogen and oxygen molecules as tennis balls and the light as heaps of marbles. When one of those light ...