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 ... Show More
Feb 2018
Exploring Venus | Episode 7
Welcome to Venus, the second planet from the sun and the closest other planet to Earth. So, why do we always think of Mars as the closest and likeliest candidate for off-world exploration and habitation? On this episode, Sarah and David head to the only planet named after a femal ... Show More
22m 18s