Back in 1977, a mysterious signal reached Earth — lasting only seventy-two seconds. Detected by Ohio State’s Big Ear Radio Observatory while scanning the constellation Sagittarius, the signal was unlike anything ever heard before. Astronomers called it the Wow! signal. It appeared on the same hydrogen frequency scientists use in the search for extraterrestrial intelligence — 1420 MHz — and has never been detected again. Nearly fifty years later, we still don’t know who, or what, sent it. #space

332K views · 7.6K reactions | The time aliens tried to talk to us  . Did you know about the WOW signal? . #mystery #story | Harsh Vikas | Facebook

🛸 THE WOW! SIGNAL – THE MESSAGE FROM THE STARS 🛸 In August 1977, a radio telescope in Ohio picked up something… strange. A signal lasting just 72 seconds — powerful, precise, and coming from deep space — that scientists could never explain. Astronomer Jerry Ehman circled the mysterious data on the printout and wrote one word beside it: “WOW!” It was unlike anything we’d ever detected before… No satellites. No planets. No interference. Just a powerful, intelligent-sounding transmission — that n