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Find out how you'd pass the time on Mercury - where a single day lasts two years...Find out about The Open University's Natural Sciences courses. Transcript Read David Rothery on some surprising facts about the planet Mercury Discover how you can study physics and astronomy with The Open University

Discover how asteroids and microbes flying through space could hold the secret to life on Earth - and maybe even Mars...Find out about The Open University's Natural Sciences courses. Transcript Read Dave Rothery's exploration of what might happen if we found life on Mars Discover more about studying physics and astronomy with The Open University

Who had more fun in life, Albert Einstein or Richard Feynman? Whichever one of them was travelling faster...Find out about The Open University's Natural Sciences courses. Transcript Read Andrew Norton on the framework of special relativity and examples of measured time dilation and length contraction Discover how you can study physics and astronomy with The Open University

...is the point of no return? German physicist, Karl Schwarzchild calculated the event horizon of black holes. And it can tell us more about the eventual fate of all the galaxies...Find out more about The Open University's Natural Sciences courses. Transcript Read Stephen Serjeant on the speed of light Discover how you can study physics and astronomy with The Open University...

...how Einstein was right all along about the expanding Universe. We never should have doubted him...Find out more about The Open University's Natural Sciences courses. Transcript Read Stephen Serjeant on what it means to equate the curvature of the Universe with the amount of stuff in the Universe Discover how you can study physics and astronomy with The Open University...