A sensational claim suggesting a “November alien attack” has only a 0.005% chance of being natural has circulated online, but astronomers emphasize that unusual cosmic signals are almost always explained by astrophysical phenomena. Space experts regularly analyze transient events such as fast radio bursts (FRBs), gamma-ray bursts, and solar activity anomalies. Historically, signals that initially seemed mysterious — including the famous “Wow!” signal — were later attributed to natural cosmic sou

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