Alien megastructures?

In July, a puzzling new image of a distant extreme star system surrounded by surreal concentric geometric rungs had even astronomers scratching their heads. The picture, which looks like a kind of “cosmic thumbprint”, came from the James Webb Space Telescope, NASA’s newest flagship observatory.
The internet immediately lit up with theories and speculation. Some on the wild fringe even claimed it as evidence for “alien megastructures” of unknown origin.

Alien megastructures? Cosmic thumbprint? What’s behind a James Webb telescope photo that had even astronomers stumped