SETI Institute

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Interstellar Message Composition

The SETI Institute's program in interstellar message composition addresses some of the most critical questions humankind will face if we detect extraterrestrial intelligence: Should we reply? If we do, what should we say? How can we create messages that would be understood on other worlds?

image Resource Guide
   
image History of Interstellar Message Composition
   
image Encoding Altruism
   
image Articles about Message Composition
   
image Leadership
   
image SETI Scientists Speaking on Interstellar Messages [multimedia]
   
image SETI and Society