Webb Telescope Discovers Water in Atmosphere of Super-Hot Exoplanet
TL;DR Summary
The James Webb Space Telescope has detected water vapor in the atmosphere of WASP-18 b, a super-hot gas giant exoplanet that orbits its star in less than one Earth day. The planet is 10 times more massive than Jupiter and is located some 400 light-years away from Earth. Due to its close proximity to the parent star, temperatures in WASP-18 b's atmosphere reach up to 5,000 degrees Fahrenheit. The Webb measurements enabled scientists to map temperature differences across the planet's surface and found that the most intensely illuminated parts of the planet can be up to 2,000 degrees F hotter than those in the twilight zone.
Topics:science#exoplanet#james-webb-space-telescope#science-and-astronomy#temperature-map#wasp-18-b#water-vapor
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- Webb telescope discovers traces of water in atmosphere of exoplanet with mass of 10 Jupiters CBS News
- Discovery Alert: Webb Maps and Finds Traces of Water in an Ultra-hot Gas Giant's Atmosphere NASA Exoplanet Exploration and Discovery
- This Super-Hot Exoplanet Is Even Stranger Than We Thought Inverse
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