SP-419 SETI: The Search for Extraterrestrial Intelligence

View of Arecibo Observatory in Puerto Rico with its 300 m dish- the world's largest. A small fraction of its observation time is devoted to ETI searches.

 

[xv] View of Arecibo Observatory in Puerto Rico with its 300 m dish- the world's largest. A small fraction of its observation time is devoted to ETI searches.

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