# James Webb Space Telescope Finds Two Airless Planets With Day Night Gaps Over 500°C

- slug: james-webb-space-telescope-finds-two-airless-planets-with-day-night-gaps-over-500degc
- date: 2026-04-23
- category: Space & Aerospace

JWST mapped alien weather for the first time. Two Earth-sized worlds 40 light-years away have a 500°C temperature gap between their day and night sides and no detectable atmosphere. What it means for the search for life.

---