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signal to space

In 1974, a signal to space was sent and response was received and silenced in 2001 Mystery 4 min
Jul 14 · 2018 Ansh Srivastava

In 1974, a signal to space was sent and response was received and silenced in 2001

In 1974 a group of scientists sent a signal to space containing the location of the Earth in the solar system, our DNA structure…