Roswell Aliens?

Ends Of The World: First Contact

In Carl Sagan’s novel Contact, the Search for Extraterrestrial Intelligence (SETI) gets exactly what they’ve been, well, searching for: a communication from an alien civilization. In fact, they receive a series of communications. One is a repeating signal in the “universal language” of mathematics, the first 261 prime numbers. Another is a retransmitted broadcast of Adolf …