Alien messages may have reached Earth without us realizing it
2 Articles
2 Articles
Alien messages may have reached Earth without us realizing it
A new SETI study suggests we may be overlooking alien signals not because they aren't there, but because their own stars are scrambling them before they escape into space. Turbulent plasma and powerful stellar storms can spread an ultra-narrow radio transmission across a wider range of frequencies, making it much harder for traditional searches to spot. The effect could be especially important around M-dwarf stars, the most common stars in the M…
CANVA For decades, scientists have scanned the cosmos in search of a signal confirming that we are not alone in the universe. However, a new SETI Institute research suggests that the problem may not be the absence of extraterrestrial messages, but that we are looking for them in the wrong way. The study, published in The Astrophysical Journal, raises a surprising hypothesis: the signals sent by potential alien civilizations may be being distorte…
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