Are aliens out there?

Are humans alone in the Universe? Graihagh jackson talked to three experts to find out

08 November 2016

Presented by Graihagh Jackson.

Production by Graihagh Jackson.

FLYING-SAUCER

Cartoon of a flying saucer

Credit:

CC0, Pixabay

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Now is there anybody out there? Or should I say, is there anybody out there? Graihagh Jackson phones home to BBC broadcaster Dallas Campbell.

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