"Last year, the James Webb Space Telescope made this observation of a dwarf irregular galaxy named I Zwicky 18, some 59 million light-years away from Earth. At the heart of the galaxy are two major star-forming regions surrounded by clouds of gas that have been sculpted by the stellar winds of the hot, young stars."
"Day 17 of the 2025 Space Telescope Advent Calendar: Distant Starbursts."
"See the full advent calendar here, where a new image will be revealed each day until December 25."
The James Webb Space Telescope observed the dwarf irregular galaxy I Zwicky 18, located about 59 million light-years from Earth. The galaxy hosts two major star-forming regions at its center. Surrounding those regions are clouds of gas shaped and carved by the stellar winds emanating from numerous hot, young stars. The interaction between intense radiation, winds, and surrounding gas drives the sculpting and dispersal of interstellar material, influencing subsequent star formation. The image captures both compact clusters of newborn stars and extended nebulous structures produced by energetic feedback in a low-mass galaxy environment.
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