What Would You Tell Aliens About Humankind?
Alison Klesman, Astronomy
The Arecibo Observatory is home to one of the largest, most powerful radio telescopes in the world. Spanning 1,000 feet (305 meters) in diameter, the huge telescope was used in 1974 for a unique purpose: to transmit a message from humanity to the stars.
The Arecibo Observatory is home to one of the largest, most powerful radio telescopes in the world. Spanning 1,000 feet (305 meters) in diameter, the huge telescope was used in 1974 for a unique purpose: to transmit a message from humanity to the stars.