ELI5: wow! signal The Most Mysterious Radio Signal Ever! 📡 August 15, 1977 — Someone (or something) sent a really loud signal from space Outer Space Something sent a radio message radio waves travels through space for a loooong time ✨ Big Ear Telescope Ohio, USA — like a giant radio antenna ear signal detected! 6EQUJ5 1 2 3 4 5 6... noise noise... Wow! Scientist wrote "Wow!" on the paper printout — that's the name! 🔊 Super Loud Signal 72 seconds long and 30× stronger than normal space noise Like someone suddenly yelling in a quiet library 📚 ❓ Never Heard Again Scientists listened for years and years more... but it never came back Like a knock at the door but nobody's there 🚪 👽 Aliens? Maybe! We still don't know where it came from. Could be natural... or not! The biggest mystery in the search for aliens 🌌 eli5.cc

ELI5: wow! signal

high confidence
April 11, 2026
// explanation
// eli5Imagine you're listening to the radio when suddenly you hear a really, really loud and clear signal that you've never heard before [1][2]. It was so strong and unusual that a scientist wrote 'Wow!' on the paper recording it [1]. However, the signal only lasted a moment and never came back, so we still don't know if it was from aliens, a natural space object, or something else [2]. It's like hearing a mysterious knock on your door once, but when you open it, nobody's there and you never hear it again [1].

// sources

[1]Wow! signal - Wikipedia

The Wow! signal was a strong narrowband radio signal detected on August 15, 1977, by Ohio State University's Big Ear radio telescope in the United States, then ...

[2]The Wow! Signal: A Lingering Mystery or a Natural Phenomenon?

Jan 6, 2025 ... This powerful radio signal, picked up by the Big Ear telescope in Ohio, remains one of the most compelling potential signs of extraterrestrial intelligence ...

[3]Analyzing the Wow! signal, and gotta say, I need to vent... - Reddit

Oct 7, 2025 ... The exact frequency of the Wow! signal detected on August 15, 1977, was 1420.4556 MHz. This frequency is very close to the natural emission line ...

[4]WOW Signal: Alien Fuzz Communicator - Spaceman Effects

The WOW Signal is a unique, all analog modulated fuzz device. The fuzz tone is effected by an LFO section that provides a range of unique filter modulation.

[5]ELI5 What is the Wow! signal and what is its significance? - Reddit

Jul 16, 2025 ... The Wow! signal was just an unusually intense signal. It didn't actually contain any information (the 6EQUJ5 is just how the antenna coded the ...

[6]The Wow Signal Potentially Explained ... and it's Weirdvideo

Video by John Michael Godier

The Wow Signal Potentially Explained ... and it's Weird
[7]Brian Cox Explains the Wow! Signal #astronomy #aliens #briancoxvideo

Video by CosmicVerge

Brian Cox Explains the Wow! Signal #astronomy #aliens #briancox
[8]The Wow Signal Came Back After 40 Years?video

Video by SpaceUberFacts

The Wow Signal Came Back After 40 Years?

want to reach people learning about wow! signal? place your brand on this page -

explain something else →