Space.com asked top SETI (search for extraterrestrial intelligence) experts about what next year may signal regarding detecting other starfolk.
“Well, despite being the widely celebrated 100-year anniversary of the election of Warren G. Harding, 2020 will not likely gain fame as the year we first discover extraterrestrial life,” said Seth Shostak, a senior astronomer at the SETI Institute in Mountain View, California.
The search for intelligent beings elsewhere, Shostak said, is largely conducted by checking out nearby star systems for either narrow-band radio signals or brief flashes of laser light. And those might succeed at any time, he told Space.com.
“But one should remember that this type of search is gaining speed in an exponential fashion, and that particular technical fact allows a crude estimate of when SETI might pay off. If we take — for lack of a better estimate — Frank Drake’s opinion that there might be 10,000 broadcasting societies in the Milky Way, then we clearly have to examine at least one [million] – 10 million stellar systems to have a reasonable chance of tripping across one. That goal will be reached in the next two decades, but certainly not in 2020,” Shostak said.
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