Image Of The DayWebb Zooms into Helix NebulaA new image from NASA’s James Webb Space Telescope of a portion of the Helix Nebula highlights comet-like knots, fierce stellar winds, and layers of gas shed off by a dying star interacting with its surrounding environment. Webb’s image also shows the stark transition between the hottest gas to the coolest gas as the shell expands out from the central white dwarf.
Engineers stopped loading liquid hydrogen and allowed seals in a quick-disconnect fitting, part of the interface between ground equipment and the vehicle, to warm up, a technique developed during Artemis 1. After a couple attempts, she said, that approach resolved the leak.
