Day 20 of the 2025 Space Telescope Advent Calendar: The Cosmic Cliffs. The James Webb Space Telescope peered inside a region at the edge of a gigantic gaseous cavity within the star cluster NGC 3324.
Day 10 of the 2025 Space Telescope Advent Calendar: A Cosmic Tornado. The James Webb Space Telescope captured this image of Herbig-Haro 49/50, about 630 light-years from Earth. Energetic jets from a ...