Turns out the signal astronomers saw was “strong” because it came from Earth

Ars was among the first news outlets to report on discussions among astronomers about observations of an intriguing "signal" that may have originated from a distant, Sun-like star. We cautioned readers that, because the signal was measured at 11Ghz, there was a "significant chance" it was of terrestrial origin, likely due to some military activity.

Well, it apparently was. First, astronomers with the search for extraterrestrial intelligence downplayed the possibility of an alien civilization. "There are many other plausible explanations for this claimed transmission, including terrestrial interference," Seth Shostak, a senior astronomer with SETI, wrote.

Now the Special Astrophysical Observatory of the Russian Academy of Sciences has concurred, releasing a statement on the detection of a radio signal at the RATAN-600 radio astronomy observatory in southern Russia. "Subsequent processing and analysis of the signal revealed its most probable terrestrial origin," the Russian scientists said. (Maybe it was really Steve Martin and his hair dryer?)

For now, let's not tell the good people at Good Morning America, who were still furiously tweeting this morning about the possibility of finding an alien civilization.

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