Secrets of Size: Atoms to Supergalaxies

Jim Al-Khalili explores the vast range of size in the universe, from atoms to galaxies.

Secrets of Size: Atoms to Supergalaxies Episodes

Series 1: 2. Going Big

In the concluding episode of the series, Jim encounters ever larger cosmic structures to reveal the latest breakthroughs in our understanding of the universe. For example, there ...

16-04-2024

BBC 4

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Series 1: 1. Going Small

What would the universe look like if you were a billion times smaller or a billion times bigger? In this mind-bending series, Jim Al-Khalili will look at the universe across its ...

09-04-2024

BBC 4

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Secrets of Size: Atoms to Supergalaxies