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April 15, 2016 04:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/dcLV9aT6U5o/alien-wow-signal-could-be-explained-after-almost-40-years
Alien 'Wow!' Signal Could Be Explained After Almost 40 Years
An anonymous reader cites a report on The Guardian: A former analyst with the US Department of Defence is on the trail of a 'cold case' -- an unexplained signal that some believe could have come from extraterrestrials. Way back in 1977 something amazing happened. Astronomer Jerry Ehman was using the Ohio State University's Big Ear radio telescope to sweep the sky for possible signals from extraterrestrial civilisations. He found something. While pointing towards a grouping of stars called Chi Sagittarii on 15 August, he received a powerful blast of radio waves that lasted for 72 seconds. He circled it on the readout and wrote: "Wow!" Analysis of the signal showed that it displayed all the hallmarks of coming from interstellar space, and it became something of a cause celebre for those involved in SETI, the search for extraterrestrial intelligence.In some other news, cosmologist and theoretical physicist, Stephen Hawking says he doesn't expect the humanity to find intelligent alien life for at least another 20 years.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/dcLV9aT6U5o/alien-wow-signal-could-be-explained-after-almost-40-years
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