Stellar Plasma Turbulence Could Blur Narrowband Signals, Reframing SETI Search Strategies
To the point
Vishal Gajjar and Grayce C Brown show that turbulence around distant stars can smear narrow radio signals from alien civilizations, spreading energy across frequencies and hiding real technosignatures, especially around active M dwarf stars, so SETI should look for signals that actually arrive on Earth.
