Shaun Keaveny - Professor Brian Cox on The Moon - 成人快手 Sounds
Shaun Keaveny - Professor Brian Cox on The Moon - 成人快手 Sounds
Professor Brian Cox on The Moon
Shaun and PBC talk about the moon's shape and wonder if it's slowing down Earth's orbit.
Shaun and PBC talk about the moon's shape and wonder if it's slowing down Earth's orbit.
