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The message was broadcast into space a single time via frequency modulated radio waves at a ceremony to mark the remodeling of the Arecibo Telescope in Puerto Rico on 16 November 1974. [ 2 ] [ 3 ] The message was aimed at the current location of M13, about 25,000 light years from Earth, because M13 was a large and relatively close collection of ...
The original idea, that the Pioneer spacecraft should carry a message from mankind, was first mentioned by Eric Burgess [2] when he visited the Jet Propulsion Laboratory in Pasadena, California, during the Mariner 9 mission. He approached Carl Sagan, who had lectured about communication with intelligent extraterrestrials at a conference in Crimea.
Carl Sagan noted that "The spacecraft will be encountered and the record played only if there are advanced space-faring civilizations in interstellar space, but the launching of this 'bottle' into the cosmic 'ocean' says something very hopeful about life on this planet." [3]
The message from then-President Carter was attached in 1977 to the Voyager spacecrafts that are currently floating through interstellar space. ... Carl Sagan, an astronomer who worked with Cornell ...
We cast this message into the cosmos ... It is likely to survive a billion years into our future, when our civilization is profoundly altered and the surface of the Earth may be vastly changed. Of the 200 billion stars in the Milky Way galaxy, some – perhaps many – may have inhabited planets and space faring civilizations. If one such ...
Carl Edward Sagan (/ ˈ s eɪ ɡ ən /; SAY-gən; November 9, 1934 – December 20, 1996) was an American astronomer, planetary scientist and science communicator.His best known scientific contribution is his research on the possibility of extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by exposure to light.
It is not the first time Nasa has sent messages from Earth to space aboard a rocket, having sent gold-plated phonograph records with its Voyager 1 and 2 spacecraft in the 1970s.
In the 1985 science fiction novel Contact, Carl Sagan explored in some depth how a message might be constructed to allow communication with an alien civilization, using prime numbers as a starting point, followed by various universal principles and facts of mathematics and science. Sagan also edited a nonfiction book on the subject. [18]
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