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How can life form in the Universe, and what are the necessary ingredients for planets to sustain it? Can we expect life elsewhere in the solar system, or on exo-planets?
Andrew is Professor of Physics in the Department of Space and Climate Physics at University College London. He is active in space and science outreach, and is currently a vice President of the Society for Popular Astronomy.
How many exo-planets might be out there? What does technology in astronomical observatories enable? What is holding us back from finding what is out there?