Why Does Jupiter Have 79 Moons, But Earth Only Has One?

VOICE OVER: Noah Baum WRITTEN BY: Nathan Sharp

The moon is always there. Lighting up the night sky, controlling our tides and inspiring philosophers, thinkers and writers. But why does Earth have just one moon? Some of the other planets have lots of them. Jupiter has 79! And some have none at all. It's all to do with the history of our Solar System, and it all started around 4.5 billion years ago... read more...