Rumors spread last week that China detected a signal from an alien civilization.
The search for intelligent extraterrestrial life didn't have the breakthrough many had hoped for last week.of an intelligent alien civilization., highlighted signals that are, in fact, likely to have come from human technology, a report from LiveScience reveals.
Narrow-band radio signals are usually made by unnatural sources, such as human technology. That's why the detection of this type of signal made global news over the weekend. Scientists found three of these signals in 2019 and 2022 using the Five-hundred-meter Aperture Spherical radio Telescope . The world's largest radio telescope, nicknamed"Sky Eye," was performing a preliminary scan of exoplanets prior to an upcoming five-year sky survey. The news that the latest signal, picked up this year, could be of alien origin first appeared in a report on June 14 by the official newspaper of China's Ministry of Science and Technology.
The claims went viral last week, with one FAST official even claiming that it was"likely" the signals were of extraterrestrial origin.It seems the news will now go down as a cautionary tale about jumping to conclusions and not awaiting peer-reviewed findings. That's because Werthimer said that, though the signals are artificially made, they almost definitely came from humans.
It's not the first time this has happened. In 2019, astronomers spotted a narrow-band radio signal coming from Proxima Centauri, the nearest star system to our solar system. Last year, however, a study concluded that this signal likely came from malfunctioning human equipment. Radio interference is a big problem for a telescope like FAST, which has a 1,600-foot-diameter dish and is able to, in theory, detect radio devices operating many lightyears from Earth.
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