Planetary Disks Extend Lives

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protoplanetary disk

Phys Org

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Science

Webb reveals planet-forming disks can last longer than previously thought

Summary

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90% Informative

Planet-forming disks are believed to be short-lived feature around most, if not all, young stars.

They provide raw materials for planets to form.

Most of these planetary nurseries typically last only about 10 million years.

Researchers at the University of Arizona have discovered that disks can grace their host stars much longer than previously thought.

More information: Feng Long et al , The First JWST View of a 30 -Myr-old Protoplanetary Disk Reveals a Late-stage Carbon-rich Phase , The Astrophysical Journal Letters ( 2025 ). DOI: 10.3847/2041-8213 /ad99d2 Journal information: Astrophysical Journal Letters Provided by University of Arizona .