Colours of the Sky
Why Is the Sky Blue? Sunsets, Rainbows and the Sky on Mars
Professor Kettlewick
Professor Kettlewick lives in a crooked stone cottage on top of a green hill, full of gears, pipes and inventions.
He loves questions more than anything, the bigger the better, and he can never find his goggles. They are on his head.
“Now, Archimedes, where are my goggles?”From Episode 3, Did T. rex Meet Diplodocus?