When Was the First Interstellar Radio Message Sent?
When Was the First Interstellar Radio Message Sent? The Arecibo Message, humankind’s first interstellar radio message, sent from the Arecibo Observatory in Puerto Rico...
Read MoreWho Was the Last Man to Discover a Planet? Clyde Tombaugh, a young American research student, made the last discovery of a planet while working in 1930 at the Lowell...
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