Stellar Plasma Broadening Could Obscure Narrow Technosignatures, Reframing SETI Search Strategies

To the point

New research led by Vishal Gajjar and Grayce Brown shows that turbulent plasma around stars can smear ultra-narrow alien radio signals into broader, weaker ones, meaning SETI should broaden its search to a wider range of signal shapes and reexamine archived data rather than assuming only pristine transmissions would be detectable.

The Alien Signals Were Missing: Why Stellar Plasma Is Smearing Extraterrestrial Broadside Transmissions
ibtimes.co.uk

The Alien Signals Were Missing: Why Stellar Plasma Is Smearing Extraterrestrial Broadside Transmissions

A study suggests that stellar plasma may distort alien signals, complicating SETIs search for extraterrestrial life by pushing signals below detection thresholds.