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Cosmic Rays - 100 years of discovery

BBC 6 minute film on 100 years since the discovery of cosmic rays







High in the sky, Victor Hess discovered that background radiation came from space - and not, as had been thought, from the ground here on Earth.

Take a look at how cosmic rays were first understood - and see how far our knowledge has come since then - with Simon Peeters, a senior lecturer in Physics and Astronomy at the University of Sussex.

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Also get your free Cosmic Rays centenary poster here:




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