Where Did the Universe Come From?
Drag Racing to Explore the Doppler Effect
Stephen Hawking and Neil Turok introduce us to Einstein’s idea of a static universe. The volunteers arrive at a drag strip with an electric car ready to go. They must use the sound of the siren, a microphone and laptop to determine the speed and direction of the car. How fast will the car go and what can it tell them about our universe?
Episode Clips
The Movement of Galaxies in Space
A track race demo explains how the galaxies furthest from Earth move fastest.
Replicating the Big Bang on Ice
A hockey team demonstrates how galaxies expand, with some unusual equipment.
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