The discovery of exo-planets and of Earth twins will be described, with a review of attempts to estimate the probability of finding life in the universe - for example how many stars do we need to survey to find suitable planets? How much time is needed to generate life?
The transcript and downloadable versions of the lecture are available from the Gresham College website: http://www.gresham.ac.uk/lectures-and-events/how-common-is-life-in-the-universe
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