Pioneer 10 spacecraft has this engraved gold-anodized aluminum plate featuring human forms and directions to planet Earth. (NASA)
Pioneer 10 spacecraft has this engraved gold-anodized aluminum plate featuring human forms and directions to planet Earth. (NASA)

The Search For Aliens

The Pioneer 10 spacecraft has this engraved gold-anodized aluminum plate featuring human forms and directions to planet Earth. (NASA)

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About This Episode

Scientists have been searching for aliens in our solar system and beyond, but have not yet found evidence that life exists beyond Earth. SETI, the Search for Extraterrestrial Intelligence, has been scanning the stars for alien radio beacons for 50 years. Radio and TV broadcasts have been leaking from Earth’s atmosphere for over a century, and these traveling time capsules could eventually reach a broader audience than ever imagined. Neil and Lynne review the methods used to locate aliens, and discuss what to do if you’re ever abducted.

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