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The “Wow!” signal was likely from extraterrestrial source, and more powerful


A new project has looked at unpublished data from the most intriguing signal in SETI history and found a few intriguing surprises.

signal is highly suggestive of extraterrestrial intelligent origin," Ohio State University Radio Observatory director John Kraus wrote in a letter to Carl Sagan in 1994, "but little more can be said until it returns for further study." Signal,” lead author Professor Abel Méndez of the Planetary Habitability Laboratory at the University of Puerto Rico at Arecibo, explained in a statement. Signal was caused by the abrupt brightening of the hydrogen line of these clouds triggered by an intense radiation source, such as a magnetar flare or a soft gamma repeater," they add.

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