Скачать или смотреть Did the WOW Signal Come from 3I/ATLAS?

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Nearly half a century after a brief, powerful radio burst stunned astronomers, the mystery of the Wow! Signal has returned to the headlines — this time, linked to a new visitor from beyond the Solar System. The object, known as 3I/ATLAS, is now racing toward its closest approach to the Sun, and its strange behavior has prompted scientists to re-examine whether the two events could be connected across both distance and decades.

On August 15, 1977, Ohio State University’s Big Ear telescope detected a narrow-band transmission near the 1420 MHz hydrogen line — the frequency most associated with cosmic communication. It lasted 72 seconds, never repeated, and left one astonished astronomer scribbling “Wow!” in the margin of the printout. The signal’s origin was never found. Now, astrophysicist Avi Loeb of Harvard University suggests that the direction of that long-ago signal overlaps closely with the current inbound trajectory of 3I/ATLAS. According to his calculations, the interstellar object would have been about 600 astronomical units from the Sun in August 1977 — just within the light-travel window to match the timing of the signal’s arrival on Earth. The probability of such alignment occurring by chance, he estimates, is less than one percent.

If true, the implication is staggering. Could a wandering body, now visible to our telescopes, have transmitted that mysterious 1977 broadcast before beginning its descent toward our system? If it was merely reflecting natural radiation, what mechanism produced such a sharp, sustained, hydrogen-line emission? And if it was intentional — what could a signal from 600 AU mean? Was it a beacon, a calibration ping, or an accidental leakage from something designed to travel unseen through the dark?

3I/ATLAS itself has already rewritten expectations for interstellar objects. It began venting gases far beyond the range where sunlight usually activates comets, it displays an odd sunward-tilted jet, and its surface contains volatile compounds and metals more common to planetary crusts than cometary debris. The object will vanish behind the Sun in solar conjunction on October 21 before reaching perihelion on October 29, giving astronomers an eight-day period in which its path cannot be directly observed — a perfect window, some note, for any “maneuver” that might shift its trajectory unseen.

NASA and other space agencies caution against premature conclusions. “At present there’s no verified evidence linking the Wow! Signal to this object,” says Dr. Maria Kepler of the Goddard Space Flight Center. “The simplest answer remains the most likely — both are natural, unconnected phenomena. But they are fascinating coincidences that deserve investigation.” Meanwhile, research teams have revived archived Wow! data, comparing beam coordinates and drift rates with new sky maps of 3I/ATLAS’s approach, searching for overlap in both direction and spectral fingerprint.

The question remains open: did the first whisper of an interstellar visitor reach us nearly fifty years before we saw it? Could the Wow! Signal have been a greeting, a navigation pulse, or simply a cosmic echo mistaken for intent? As 3I/ATLAS speeds toward its solar encounter, the world’s telescopes are listening again — this time not just for light, but for a reply.