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Professor Brian Cox explains how Solar flares and magnetic forces are the causes of the northern lights.
In this major new landmark series for BBC Two co-produced by the Open University, Professor Brian Cox tells the extraordinary life story of our solar system.
Using the data from the very latest space explorations, groundbreaking CGI will reveal the unimaginable beauty and grandeur of each planet. The Planets shares the spectacle and drama of 4.5 billion years of planetary history in stunning new detail.
The Planets | Episode 2 | BBC
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