Episode details
Available for over a year
Shaun and PBC talk about the moon's shape and wonder if it's slowing down Earth's orbit. They also discuss Leonardo Da Vinci solving the ancient riddle of Earthshine.
Programme WebsiteUse BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK.
Available for over a year
Shaun and PBC talk about the moon's shape and wonder if it's slowing down Earth's orbit. They also discuss Leonardo Da Vinci solving the ancient riddle of Earthshine.
Programme Website