Alien megastructures? Cosmic thumbprint? What's behind a James Webb telescope photo that had even astronomers stumped
- Written by: Peter Tuthill, Astrophysicist, University of Sydney
NASA / ESA / CSA / STScI / JPL / CaltechIn 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...