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It's quiet out there: scientists fail to hear signals of alien life
Astronomers have come up empty-handed after scanning the heavens for signs of intelligent life in the most extensive search ever performed.
Researchers used ground-based telescopes to eavesdrop on 1,327 stars within 160 light years of Earth. During three years of observations they found no evidence of signals that could plausibly come from an alien civilisation.
[...] During the three-year effort, the astronomers scanned billions of radio channels and filtered out any signals that appeared to come from nature or equipment on Earth. Having dismissed millions of signals this way, the team was left with only a handful of "events". On closer inspection, these too turned out to have prosaic explanations.
The Breakthrough Listen team described their latest attempt to track down ET in two papers released on Tuesday, which made all the data available to the public. "There could be a signal in the data that we didn't detect this time around, but others can now look through it to see if we missed anything," Price said.
Also at Astrobiology and The Register.
The Breakthrough Listen Search for Intelligent Life: Public Data, Formats, Reduction and Archiving
UC Berkeley SETI Program GitHub
(Score: 2) by PinkyGigglebrain on Wednesday June 19 2019, @09:58PM
160 light years. Earth's radio signals have barely gotten half that far.
Best we can do from this is mark 1,327 stars out of 200-400 Billion stars in our Galaxy off the list of possible technological civilizations that are equal or slightly older to Earth's.
And the absence of radio signals does not mean the absence of life.
"Beware those who would deny you Knowledge, For in their hearts they dream themselves your Master."