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> Arecibo message
> Arecibo message
Broadcasting Earth’s location could provoke alien invasion, Oxford scientist warns
Oxford academics suggest "giggle factor" around search for aliens leads to ignoring risk around "ratio of peaceful to hostile civilisations"
April 18, 2022
Arecibo Message: How researchers sent the first interstellar radio message and why they did it (video-photos)
Google Doodle honours the 44th anniversary of the Arecibo Message