What is the Colour of an Atom? - And the Galaxies Going Faster Than Light

A short film exploring the dual nature of light, spectroscopy, perception and the sad truth about astronomy. May or may not contain a pun. (It does.) 

What it certainly doesn't contain is an unexpected fact about rainbows, the truth about the empty floating bit of nothing between the wood and the fire itself and the story of the galaxies travelling faster than light. Because they are in this here blog post.