NASA’s James Webb House Telescope captured the “Treasure Chest,” a cometary globule within the star-forming Carina Nebula, on Aug. 6, 2026
(Picture credit score: ESA/Webb, NASA & CSA, M. Reiter; Acknowledgment: M. H. Özsaraç)
Fast info
What it’s: The Treasure Chest, a cometary globule within the Carina Nebula star-forming area
The place it’s: 7,500 light-years away, within the constellation Carina (the Keel)
When it was shared: Aug. 21, 2026
It appears to be like like a big treasure chest left open among the many stars — however as a substitute of gold and jewels, this unusual cosmic construction incorporates dozens of new child suns. This new picture from the James Webb Space Telescope (JWST) reveals the aptly named Treasure Chest, a colourful cloud of gasoline and mud within the Carina Nebula, one of many Milky Way‘s richest star-forming areas.
Positioned about 7,500 light-years away within the Southern Hemisphere constellation Carina, the nebula stretches roughly 260 light-years throughout and incorporates among the most huge stars in our galaxy, in addition to tens of hundreds of younger protostars. It is also residence to the “Cosmic Cliffs,” which appeared in JWST’s first collection of science images, launched in 2022.
The Treasure Chest is a cometary globule, an remoted cloud with a dense, darkish head and a sweeping tail. Though such objects are named for his or her resemblance to comets, this one appears to be like extra like a wood chest with its lid propped open and lightweight spilling from inside.
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JWST’s Close to-Infrared Digicam reveals the supply of that glow: a compact cluster of about 70 younger stars embedded within the mud. Probably the most huge one is a uncommon O-type star — extraordinarily massive, vibrant, and short-lived stars — measuring roughly 19 occasions as huge because the solar.
Astronomers estimate that the cluster is round 1.3 million years outdated, though earlier estimates prompt it might be as younger as 100,000 years. Lots of its stars are nonetheless surrounded by the gasoline and mud from which they have been born. Over time, radiation from the cluster’s stars will disperse that materials, exposing stars which can be presently hidden.
The Treasure Chest’s uncommon form can also be influenced by one thing exterior the JWST picture. About 39 light-years away, as measured throughout the sky, is Eta Carinae, probably the most luminous object within the Carina Nebula. Eta Carinae famously underwent its “Great Eruption” within the nineteenth century, when it briefly grew to become one of many brightest stars in Earth’s night sky. The system incorporates a minimum of two stars, together with one about 100 occasions as huge because the solar and roughly 5 million occasions as luminous. Along with the close by Trumpler 16 star cluster, its intense radiation and stellar winds are blasting away the Treasure Chest’s less-dense gasoline and serving to to sculpt the cloud into its distinctive form.
The Treasure Chest will not all the time appear like this. Radiation and winds from the younger stars inside it, mixed with the assault from huge stars close by, will regularly erode the remaining gasoline and mud. Ultimately, the cosmic chest will disappear, revealing its true jewels — the celebrities inside it.
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