# Webb finds thick atmosphere on planet orbiting just 10 hours from its star

- slug: webb-finds-thick-atmosphere-on-planet-orbiting-just-10-hours-from-its-star
- date: 2026-03-22
- category: Space & Aerospace

According to a new Astrophysical Journal Letters study, TOI-561 b looks too cool to be a bare rock, suggesting a thick, volatile-rich atmosphere above a magma ocean.

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