Scientists Explore if the Mysterious ‘Wow!’ Signal in 1977 Come From a Sun-Like Star 1,800 Light-Years Away


On August 15, 1977, a mysterious game “Wow!” The signal was set off briefly by a radio telescope that lasted for 72 seconds. Now, nearly half a century later, researchers may have discovered the source of the alleged satellite broadcast. A study recently published on May 6 suggests that the signal likely came from a sun-like star located 1,800 light-years from Earth, in the constellation Sagittarius. The Search for Extraterrestrial Intelligence (SETI), which has been searching for intelligent life forms in the universe, is still studying the signal.

Since the mid-20th century, SETI has been searching for potential transmissions from distant technological entities. Alberto Caballero, amateur scientist, found “Wow!” Signaling site. His results were published in the May issue of the International Journal of Astrobiology.

Caballero said he found “specifically a sun-like star,” and stated that the object named 2MASS 19281982-2640123 was 1,800 light-years away.

According to Caballero, the star was too far away for humans to send a response signal (it would take 1,800 years for the signal to arrive even if it traveled at the speed of light). But the localized region from space also contains other potential candidates.

According to the report of its discoverer, astronomer Jerry Iman, “Wow!” The signal appeared during a SETI search at The Ohio State University’s Big Ear Telescope and was unusually strong but ephemeral, lasting only 1 minute 12 seconds. Iman had written “Wow!” On the page after seeing a printout of a strange sign, giving the event its name.

Iman wrote in his report that since hydrogen was the most abundant element in the universe, it stands to reason that an intelligent civilization within the Milky Way is trying to gain attention.

A report in the American Astronomical Society said researchers regularly searched for follow-ups coming from the same location, but came up empty-handed.

Caballero added, “Wow!” The signal is most likely caused by a natural event rather than aliens. However, astronomers have ruled out some possibilities such as the passage of a comet.


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