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James Webb Reveals Rogue Planet's Fiery Atmosphere Secrets

9/29/2025

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Summary

Story summary

A study in Astronomy & Astrophysics analyzes rogue planet SIMP-0136, 20 light-years away.
Researchers use the James Webb Space Telescope (JWST) to examine its atmosphere.
SIMP-0136 shows a thermal inversion with hotter temperatures at higher altitudes.
Auroras heat the upper atmosphere and resemble Earth's Northern Lights.
The atmosphere exceeds 1,500°C and features constant silicate-grain clouds.

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Story summary

A study in Astronomy & Astrophysics analyzes rogue planet SIMP-0136, 20 light-years away.
Researchers use the James Webb Space Telescope (JWST) to examine its atmosphere.
SIMP-0136 shows a thermal inversion with hotter temperatures at higher altitudes.
Auroras heat the upper atmosphere and resemble Earth's Northern Lights.
The atmosphere exceeds 1,500°C and features constant silicate-grain clouds.