Lava World Should Have No Atmosphere; JWST Phase Curve Finds Venus-Level Reflectivity Anyway
· techtimes.com · popularity 16/100 · 0 similar stories today · Space & Astronomy (Space & Astronomy)
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Summary
JWST lava world atmosphere: TOI-561b, a rocky planet orbiting its star in 10.7 hours, has Bond albedo 0.74 matching Venus, sustained by silicate mineral clouds from vaporized rock. Published October 27, 2026, in The Astronomical Journal, the first full JWST phase curve of a lava world overturns predictions that ultra-short-period rocky planets are bare rocks.
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