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Carl Sagan (1934 – 1996) was Professor of Astronomy and Space Sciences and Director of the Laboratory for Planetary Studies at Cornell University. In 1966, Sagan was a member of the Ad Hoc Committee to review Project Blue Book. Being a promoter of SETI, Sagan also helped Frank Drake write the Pioneer plaques on Pioneer 10, as well as the Arecibo message that was broadcasted into interstellar space in 1974.[1] Sagan authored the book Pale Blue Dot, which was his vision for the human race in the future.

Arecibo messageEdit

Carl Sagan, among others, assisted Frank Drake, the creator of the Drake Equation, in writing the Arecibo message, a 1974 interstellar radio message carrying basic information about humanity and Earth, that was sent to globular star cluster M13 in the hope that extraterrestrial intelligence might receive and decipher it. The message was broadcast into space a single time via frequency modulated radio waves at a ceremony to mark the remodeling of the Arecibo radio telescope in Puerto Rico on November 16, 1974.[1]

ReferencesEdit

  1. 1.0 1.1 1.2 [archiveurl "Cornell News: It's the 25th anniversary of Earth's first (and only) attempt to phone E.T."]. Nov 12, 1999. Archived from the original on 2008-08-02. archiveurl. Retrieved 2008-03-29. 

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