The solar system is a big place, and while Colin’s testing the shuttle, Sarah and Matthew have a visitor.
David drops by to explain a bit about relativity and distance within the solar system and the universe in general.
And watch out for mighty Zordon of the Orcs.
Things to Learn
- What happens when you’re travelling close to the speed of light?
- What’s a light second?
- How fast are you travelling right now, and why don’t you realise it?
- Why do two trucks seem to take ages over passing each other?