James Webb Space Telescope detects carbon dioxide in a distant planet's atmosphere
 

The James Webb Space Telescope can do much more than produce astonishingimages of the universe. The observatory has, for the first time, found clear evidence of carbon dioxide in the atmosphere of a planet that's not in our solar system. It detected the gas on WASP-39 b, a gas giant that's orbiting a star some 700 light years away.

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