This image features a deep field view of the Cassiopeia constellation immersed in the glow of ionized hydrogen gas, where the ...

Some of those colours are explained with physics, others by my own field of chemistry ... first found an explanation for why the sky is blue: blue light from the sun is scattered the most when ...

Sounding rockets launched from the Poker Flat Research Range north of Fairbanks, Alaska, lit up the night sky for miles ...