2024-08-16 165babcc8040683aaf6cb6efd23811aebada6e9b 22 Wow! signal 2 /wiki/wow!%20signal molecular cloud 14 /wiki/molecular%20cloud Wow! signal molecular cloud Wow! signal 2024-08-16 e2a94caf0c0c7440bccfd24909efd6bd2513062e 21 Wow! signal 1 /feed/2024/08/16/search-for-extraterrestrial-intelligence Search for extraterrestrial intelligence /feed/2024/08/16/the-wow-signal-is-found-to-have-likely-been-caused-by-a-rare-astrophysical-event-the-sudden-brightening-of-a-cold-mole University of Puerto Rico at Arecibo 16 6360349e37bac3fcc10a3848f850e6a32b8bbe97 8 https://phl.upr.edu/wow 2024 The Wow! signal is found to have likely been caused by a rare astrophysical event, the sudden brightening of a cold molecular cloud triggered by a stellar emission.