Observatoire des droits humains (anglais seulement)

A mysterious signal looked like a sign of alien technology — but it turned out to be radio interference

(Version anglaise seulement)

par Danny C Price, Senior research fellow, Curtin University

In December last year, the media reported an intriguing signal we at the Breakthrough Listen project found in our radio telescope data. Dubbed BLC1, the signal didn’t appear to be the result of any recognisable astrophysical activity or any familiar Earth-based interference.

The trouble was, we weren’t ready to discuss it. When you’re searching for signs of extraterrestrial…

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