Tag: Message
The Arecibo Message, Earth’s First Interstellar Transmission, Turns 50
A half-century ago humanity sent its first postcard to the stars, carried by a narrow beam of radio waves.It was November 16, 1974—a...
Celebrating the 50th Anniversary of the Arecibo Message
Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. On November 16, 1974, humanity sent an unprecedented message into the stars.On supporting...
