Brian Cox investigates a potential alien signal 👽 😲 - BBC

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Watch the BBC first on iPlayer 👉 bbc.in/iPlayer... Professor Brian Cox visits the people who run SETI - the Search for Extraterrestrial Intelligence - and investigates whether we once received a signal from another planet. This signal has never been seen again and is now infamously called the "WOW" signal.
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Brian Cox's Adventures in Space and Time | Streaming Now | BBC iPlayer
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