Webb Observes Turbulent Stellar Nursery

Found about 161,000 light-years from Earth in the Large Magellanic Cloud, a satellite galaxy of the Milky Way, N159 extends throughout around 230 light-years.

The complex is less than 3 million years of ages and includes countless stars at early phases of their development.

“In outstanding nurseries such as this one, huge molecular clouds of cold hydrogen gas collapse under gravity, forming brand-new stars,” stated Dr. Nolan Habel, an astronomer at NASA’s Jet Propulsion Laboratory and Caltech, and his coworkers.

“Many of these stars are very huge and hot, and their effective ultraviolet radiation ionizes the gas around them.”

“This makes HII areas markers of active star development, and as the ionized gas radiates light this turns them into the sort of dazzling emission nebula that we see in this image.”

Recorded with Webb’s Near-Infrared Camera (NIRCam), the image exposes elaborate structures sculpted into N159 by extreme radiation and effective excellent winds.

Pale blue locations mark clouds of ionized hydrogen, while smoky orange areas radiance with infrared emission from polycyclic fragrant hydrocarbons, carbon-based particles.

Dark red filaments of cool molecular hydrogen weave through the scene, forming thick structures that assist protect newborn stars from the extreme radiation of their enormous next-door neighbors.

“These filaments are the densest part of the nebula and presently protect brand-new stars from extreme radiation and excellent winds– by focusing, you can see stars as points of light ingrained in these filaments and in the little pillars of orange gas that connect into the blue bubbles,” the astronomers stated.

“Eventually, these structures will dissolve, leaving their finished stars behind.”

The scientists had the ability to differentiate young stars still embedded in their birth clouds from older, more progressed excellent populations.

The information exposed very faint stars with masses listed below one-tenth that of the Sun.

The researchers discovered that the western part of N159 consists of a more focused population of young excellent things than the eastern area, recommending that star development there is at an earlier phase.

“With the entire series of star development occurring at the same time, N159 is a distinct location to see the advancement of a collapsing molecular cloud up close,” they concluded.

Their paper was published on September 22, 2026 on the arXiv.org preprint server.

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Nolan Habel et al2026. Consecutive Star-Formation and the Near-Infrared Stellar Populations within N159. arXiv: 2609.27126