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Life beyond earth in '10 to 20 years'

Astronomer Michael Merrifield says we are 'Pretty close' to finding life outside Earth

Nasa are holding a meeting to discuss the search for life beyond Earth.

They say observatories are making new discoveries about hundreds of other worlds in our galaxy.

Michael Merrifield a professor of astronomy at the University of Nottingham told 5 live Breakfast, "probably in the next 10 or 20 years we'll find life elsewhere".