“Flashback” –Carl Sagan on How We Would Communicate With Advanced Alien Life (Weekend Feature/Video)

If life exists elsewhere in the Universe, would we be able to communicate with it? In this clip from the 1977 Royal Institution Christmas Lecture, "The Planets", Carl Sagan demonstrates how we could send a signal that would make sense to intelligent beings that have evolved independently from us.

The Daily Galaxy via The Royal Institution

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