Exploring the strange signals and unexplained wonders hidden in the universe.
The Wow! Signal
📍 Detected At: Ohio State University, USA
📅 Year: 1977
⭐ Mystery Level: ★★★★★
About the Mystery
On 15 August 1977, astronomer Jerry R. Ehman discovered an unusually strong radio signal while examining data from the Big Ear radio telescope. The signal lasted for 72 seconds and was so remarkable that he circled it on the printout and wrote the word "Wow!", giving the signal its famous name.
Scientists have never detected the exact same signal again. Although many natural explanations have been suggested, no single theory has been confirmed. Because of this, the Wow! Signal remains one of the most famous unsolved mysteries in astronomy.
Questions That Still Remain
- Was the signal produced by a natural cosmic event?
- Could it have come from an advanced civilization?
- Why has it never been detected again?