Has the origin of the 'Wow!' signal been found?

This article on phys.org by Bob Yirka tells how amateur astronomer and YouTuber Alberto Caballero traced the famous radio signal detected in 1977 to the star 2MASS 19281982-2640123.

This seems odd because another article by Bob Yirka says the Wow! mystery has been explained as comets.

That article followed another article published in 2016 on phys.org originally from universetoday.com by Bob King about Prof. Antonio Paris's suggestion that the possible source of the signal was a comet.

What was it?


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