Prof Brian Cox and Dara O Briain travel to where the historic Apollo 11 mission began.
Professor Brian Cox and Dara O Briain are at Siding Spring Observatory in Australia.
Dara O Briain and Professor Brian Cox return to celebrate the wonders of our night sky.
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Tim Peake's mission to become the first Briton to serve on the International Space Station
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Professor Brian Cox and Dara O Briain host three days of live stargazing.
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