SETI Signals May Broaden in Stellar Environments, Prompting a Shift to Wider, Fainter Searches

To the point

Vishal Gajjar and colleagues say signals from intelligent civilizations would be smeared and weakened as they pass through stars’ plasma and solar wind, so we should look for wider, fainter signals rather than sharp needles—especially around active M-dwarf stars—using broader bandwidths and AI/GPU analysis, since billions of habitable planets make life elsewhere plausible.

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In our search for alien life, stars might be muddying their signals | CBC Radio
cbc.ca

In our search for alien life, stars might be muddying their signals | CBC Radio

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien civilizations have been trying to communicate with us, we mostly haven’t been listening for the right signals.