Misterul semnalului „Wow!”. Cele 72 de secunde pe care știința nu le-a explicat într-o jumătate de secol

The 'Wow!' signal, received in 1977, remains unexplained after 49 years, intriguing scientists about its potential extraterrestrial origin. Despite extensive searches, it has never been detected again, leading to various hypotheses including natural phenomena. Recent analyses suggest it may have originated from hydrogen clouds, but its intensity remains a mystery. The signal's characteristics challenge both human-made interference and extraterrestrial communication theories, leaving its true source uncertain.