He Wrote “Wow!”—Then It Vanished...

Added: 2026-05-18

[00:00:00]He wrote, "Wow." Then it vanished. What I wish I'd known in 1977, one noise changed a night and maybe everything after.

[00:00:09]On August 15th, 1977, [music] the Big Ear radio telescope picked up an intense, narrow-band radio signal from space. The burst lasted about 72 seconds, the length of one observation cycle. Astronomer Jerry Ehman examined the printout and circled the data, writing a single word, "Wow."

[00:00:30]Teams searched for [music] it again and again, but the signal never repeated in the same confirmed way.

[00:00:36]Some people believe it was interference from Earth.

[00:00:39]One theory says it came from a comet.

[00:00:41]Others suggest more exotic sources, but none proven.

[00:00:45]Whatever it was, we heard it once, then silence, and the sky kept its secret. Will we be listening? E