Since the discovery of the first extra-solar planet in the '90s, our perspective of the Universe has changed. Over the last two decades a whole host of exotic planet systems have been found, including analogues of famous science-fiction-worlds.
Extra-solar planets: from science-fiction to reality
Ruth Angus summarises some of the key discoveries in the field of extra-solar planets and discusses the likelihood of finding Earth II as the number of confirmed exoplanets approaches one-thousand.
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Find out more about our night sky, from new planets to far-off galaxies and the vastness of the Universe. A series of short talks and presentations for the general public from leading astronomy researchers at the Oxford University Physics department - http://www.physics.ox.ac.uk/