Astronomer: If Earth Is Average, We Should Find Alien Life Within 60 Light-Years - ScienceAlert

( September 29, 2023; ScienceAlert )

Description: "In 1960, while preparing for the first meeting on the Search for Extraterrestrial Intelligence (SETI), legendary astronomer and SETI pioneer Dr."

"So, if microbial life arose as soon as it did on Earth in more than 1 percent of TTPs (and that is a big if), then one expects the closest, life-harboring Earth-like planet to be less than 20 pc away [65 light-years]," he said.

"This may be cause for some cautious optimism in the search for habitability markers and biosignatures by the next generation of large ground-based facilities and instrumentation. Needless to say, biosignatures are going to be extremely challenging to detect. And it is also possible that life may be so rare that there are no biosignatures within a kpc or more for us to detect."


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