Revisiting the Wow! Signal: A Magnetar-Triggered Hydrogen Emission Suggesting a Natural Origin

To the point

Abel Méndez and the Arecibo Wow! Project reanalyzed Big Ear’s Wow signal and related archives, proposing that magnetar flares briefly energize interstellar hydrogen clouds to emit a narrowband radio blip, making Wow! a rare natural event rather than an alien transmission while suggesting tens of thousands of unpublished signals exist and replication is essential before drawing firm conclusions.

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This mysterious radio signal has puzzled astronomers for nearly 50 years
nationalgeographic.com

This mysterious radio signal has puzzled astronomers for nearly 50 years

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more natural source.