This famous nebula, first discovered more than a century ago, is now well-known as a "photodissociation region," or PDR. Ultraviolet light shining from young, massive stars makes a toasty nest of ...

Get Instant Summarized Text (Gist) The James Webb Space Telescope has observed mid-infrared rings in the planetary nebula NGC 1514, revealing turbulent yet cohesive structures. These rings ...