Stellar Space Weather Dilutes Narrowband Signals, Expanding SETI Search Strategies

To the point

Led by Vishal Gajjar and Grayce C. Brown, the researchers say turbulence in a star’s surroundings can broaden and weaken a transmitter’s radio signal, so SETI should search for smeared, broader patterns rather than only narrow spikes, especially around active M-dwarfs.

Space weather near stars may be hiding alien signals from Earth
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Space weather near stars may be hiding alien signals from Earth

Turbulent star environments may broaden alien radio signals, making them even more difficult for SETI to detect.