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Brian Cox and Dara O Briain return for their second night celebrating space and astronomy, with more updates from British astronaut Tim Peake as he tackles his six-month scientific mission, 250 miles above the Earth. Brian and Dara also explore the amazing engineering behind the International Space Station, demonstrating the catastrophic impact that ordinary atmospheric pressure can have on a space ship. Roving reporter Liz Bonnin reports live from the European Astronaut Centre in Cologne, where she is testing whether comedian John Bishop has the 'right stuff'. A lifelong astronomy fan, John will be following astronaut Tim Peake's training programme over three nights - tonight, what happens if there is an emergency on the Space Station. Brian and Dara are joined in the studio by European Space Agency director general Jan Woerner to explore Europe's ambitions for colonising the Moon, and they reveal which parts of the UK most resemble other planets in the Solar System. They have updates from the Hubble Space Telescope on its 25th anniversary, and also from the Rosetta mission, which landed on a distant comet in 2014. Meanwhile, Professor Lucie Green is on hand to guide you around the night sky.

Brian Cox and Dara O Briain return for another celebration of space and astronomy. This series they talk to British astronaut Tim Peake as he orbits 250 miles above the Earth. Tim reveals how he is settling into life on the International Space Station just one month after his launch into space. Brian and Dara also attempt to make a garden shed fly, as they explore what keeps the ISS in space. Roving reporter Liz Bonnin reports live from the European Astronaut Centre in Cologne, where she finds out whether comedian John Bishop has the 'right stuff'. A lifelong astronomy fan, John will be following astronaut Tim Peake's training programme over three nights, starting with a live, simulated space-walk - underwater. Brian and Dara are joined in the studio by NASA scientist Carly Howett to enjoy some spectacular new views from the surface of Pluto, as well as exploring some of the biggest planets and stars in the universe. They will also be asking for your help to find new pulsars - spinning stars that are heavier than the Sun, yet smaller than Manchester. Meanwhile, Professor Lucie Green will be on hand to guide you around the night sky and to show you how to photograph the International Space Station.

Stargazing Live is back for a second night of spectacular night-sky views from Australia. Join Professor Brian Cox and Dara O Briain live as they complete another long night under the stars down under, and watch the glorious stars of the southern sky gradually twinkle away to reveal the coming dawn. Tonight, unprecedented views of Saturn are the big prize. Aussie astronomer Greg Quicke reveals more ancient tales from the indigenous astronomers of Australia, explaining why the moon looks upside down in Australia and showing us the remarkable link between the moon and the Great Barrier Reef. We hear more about life on top of this remote mountain amongst the kangaroos and spiders of the Aussie outback - none of which stops the astronomers here making some amazing discoveries, including the oldest known star in the universe.