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Episode 9
Episode 9 of 10
Dr Chris and Dr Xand learn about space. They discover that the Earth has an invisible force field that protects it from deadly solar winds.
Dr Chris and Dr Xand bring you the top space experts on the planet to show you things that will truly Blow Your Mind!
In this episode they find out all about sunlight and the incredible Northern Lights. They discover that the Earth has an invisible force field that protects us from deadly solar winds - phew! And their physicist friend, Dr Helen Czerski, reveals that even though the sun's light travels to Earth really quickly, it could actually be a million years old!
Last on
Thu 4 Dec 2025
09:25
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Credits
| Role | Contributor |
|---|---|
| Presenter | Chris van Tulleken |
| Presenter | Xand van Tulleken |
| Director | Valerie Mellon |
| Producer | Jane Baxter |
| Producer | Dougie Napier |
| Participant | Helen Czerski |
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