Are they out there? Intelligent beings from another world. Will we ever make contact with them? Is it even sensible to make guesses about whether life exists in other galaxies billions of light years from our own? How much do we know about outer space? What are black holes, dark matter and strange attractors? Is our universe just one amongst an infinity of multiverses? Can we dispense with the idea of a creator God? On 16th March 2011 some of the greatest names in space exploration and the mysteries of the cosmos guided us to outer realms and argued about some of the most fascinating questions we’ve ever asked ourselves. Support this show http://supporter.acast.com/intelligencesquared.  See acast.com/privacy for privacy and opt-out information. Learn more about your ad choices. Visit podcastchoices.com/adchoices