Chris Lintott is a professor of astrophysics at the University of Oxford, where he is also a research fellow at New College. As Principal Investigator of the Zooniverse, he leads a team who run the world's most successful citizen science projects, allowing more than a million people to discover plangets, transcribe ancient papyri or explore the Serengeti. A passionate advocate of the public understanding of science, he is best known as co-presenter of the BBC's long running Sky at Night program.
Astronomers have got very good at finding planets around other stars. This talk, from Chris Lintott (BBC Sky at Night), explains how you can help and what these thousands of strange and unusual worlds are telling us about the history of our own Solar System.