SCIENCE

NASA Webb maps 'ultra-hot' exoplanet

By Sanjana Shankar

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Webb telescope

NASA's James Webb Space Telescope has mapped an exoplanet called WASP-18 b. This "ultra-hot gas giant" is 10 times bigger than Jupiter.

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Exploring exoplanets

WASP-18 b has been widely studied since its discovery in 2009. With Webb's remarkable sensitivity, astronomers intend to uncover more about the exoplanet.

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Temperature map

Researchers charted out a temperature map of the exoplanet WASP-18 b as it moved behind the star it orbits.

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Study

Based on Webb's data, scientists discovered water in the atmosphere of exoplanet WASP-18 b, despite its scorching temperature of 2,700 degrees Celsius.

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Findings

Further, the study indicates that water vapor is present at different elevations in the exoplanet's atmosphere.

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