Stunning Comet Spiral Offers Glimpse of Icy Snowball at Its Core
Stunning Comet Spiral Offers Glimpse of Icy Snowball at Its CoreComet 12P/Pons-Brooks is hiding a strange spiral in its icy heart—and it may tell scientists about the comet’s innardsBy Meghan BartelsAn image of Comet 12P/Pons-Brooks and its rotating core taken by Jan Erik Vallestad. Credit: Jan Erik VallestadComet 12P/Pons-Brooks is a shapeshifter: in the summer of 2023 it sported wings like the Millennium Falcon, the iconic Star Wars ship. By autumn it had been dubbed the “Devil comet” for its horned appearance.Now, for…