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Humans sending reply to possible alien message
Washington | June 27, 2012 12:01:13 AM IST
 
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If you have anything to say to aliens, now is the time, but its not sure whether it will reach them or not.

The Wow! signal, a mysterious radio transmission detected in 1977 that may or may not have come from extraterrestrials, is finally getting a response from humanity.

Anyone can contribute his or her two cents - or 140 characters, to be exact - to the cosmic reply via Twitter.

The National Geographic Channel, which is timing the Twitter event to coincide with the premiere of the channel's new series, "Chasing UFOs," said all tweets composed between 8 p.m. EDT Friday (June 29) and 3 a.m. EDT Saturday (June 30) tagged with the hashtag #ChasingUFOs will be rolled into a single message.

Then on Aug. 15, exactly 35 years after the Wow! signal was detected, humanity's crowdsourced message will be beamed into space in the direction from which the perplexing signal originated.

"We are working with Arecibo Observatory to develop the best way to encrypt the transmission," Fox News quoted Kristin Montalbano, a spokeswoman for the National Geographic Channel, as saying.

"Earlier transmissions have focused on simplicity, whereas this one will rely more on creating a complex but noticeable pattern, hopefully standing out from other random, natural noise.

"More than likely we will be using binary phase codes," or sequences of 1s and 0s," Montalbano revealed.

The Wow! signal is the only blip of incoming data to have stood out from the noise in the four decades that astronomers have been scouring the heavens for signs of life - an effort known as the Search for Extra-Terrestrial Intelligence, or SETI.

The Big Ear radio observatory at Ohio State University picked up the intense 72-second radio transmission coming from the direction of the constellation Sagittarius. At its peak, the transmission was 30 times more powerful than ambient radiation from deep space, prompting the volunteer astronomer Jerry Ehman to scrawl "Wow!" next to the data on a computer printout, giving the signal its name.

No one knows whether the seemingly unnatural signal really was beamed toward us by aliens, and despite great effort, scientists have never managed to detect a repeat transmission from the same spot in the sky. (ANI)

 

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