Thirty-five years ago this week, an unexplained signal was detected by scientists engaged in the Search for Extra-Terrestrial Intelligence, or SETI. Using Ohio State University's Big Ear radio observatory, astronomer Jerry Ehman noticed an unusual spike of six letters and numbers on the computer printout.
This strong, 72-second radio signal, emanating from the general direction of the Sagittarius constellation, was so odd that Ehman wrote the word "Wow!" in the left margin of the sheet, as pictured above.
The signal never reappeared, so scientists couldn't confirm if it was, in fact, a message from an extraterrestrial source. And a "response" to it was never attempted.
Lateralman wrote:It cost a small fortune to set up and thirty-five years is a long time ago.
Shadowwolf wrote:It also has never been repeated that we have detected with far more discriminating equipment, whatever the source it was an apparent one off event. If it was from another intelligence it was not intended for us but was an accident of circumstance....
MikeG wrote:Signals are sent once off in different directions to target as many different planets, so Im not surprised that we haven't picked up the same signal.
MikeG wrote:I wonder if that signal was ever recorded, or its been lost?
Shadowwolf wrote:If I can see that tiny random apparently non-natural signals won't do the job then I'd be fairly certain any other intelligence would realise the same.
MikeG wrote:aybe this was a test of their system and the actual message was broadcast somewhere more promising.
Jamie wrote:You know, maybe there are systems within 20 light years who've just seen Eastenders and avoided us altogether!
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