NASA Webb Wows With Incredible Detail in Actively Forming Star System

March 07, 2025 10:00AM (EST)Release ID: 2025-111
At the center is a thin horizontal cloud known as Lynds 483 that is shaped like an hourglass with irregular edges. The left lobe shows a more prominent orange U-shape. Some brighter pink material extends to the left edges. In the right lobe, less orange is visible. More opaque light purple is in the top third, rippling out into semi-transparent blues and pinks. V-shapes to the top and bottom of the center are darkest, and the background stars in these areas appear orange. The black background is speckled with tiny white stars and faint orange galaxies.

Summary

This near-infrared image shows the history of ejections from the two actively forming stars in Lynds 483.

This scene is still transforming.

What look like twin flames are known as Lynds 483 (L483), ejections from two actively forming stars at the center. The stars themselves are hidden in a teeny, opaque disk of dust that fits into one pixel. This is the most detailed image of L483 to date, delivered in high-resolution near-infrared light by the James Webb Space Telescope.

For tens of thousands of years, the two central stars have been sending out column-like jets along with more “relaxed” outflows that willow, spread, and drape. As the ejections run into one another, new molecules form within the lobes.

After roughly 1 million years have passed, the stars’ outbursts will end, with the stars fully formed. The iridescent regions of gas and dust will fade, and the scene will significantly clear.

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