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What is messenger theory in astrobiology?
The Messenger Theory suggests that the most efficient way for an advanced civilization to communicate with another species would be to send a microorganism out into space. The… microorganism, containing within itself the genetic code to form an organ or even a full organism, may be used to communicate with the aliens discovering it and suggest methods of contact with the species that originally sent it.This would be seemingly more efficient then sending a message via communication waves or data. (MORE)