November 27, 2022

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JWST practices studying alien atmospheres for signs of life

A boiling Saturn-like planet 700 light-years from the sun has become the best-explored planet outside our solar system. The James Webb Space Telescope’s measurements of the planet’s atmosphere have revealed unprecedented details about its chemical composition, and allowed astronomers to test methods for detecting alien life.

The exoplanet WASP-39b, which orbits a star in the constellation Virgo, made headlines in late August when James Webb Space Telescope (Webb or JWST) found carbon dioxide in its atmosphere. she was The first discovery of its kind Experts hailed the results as a major advance. Now, less than three months later, a slew of studies based on observations from the Large Telescope have revealed the finest details of WASP-39b’s atmosphere, enabling even astronomers to draw conclusions about the formation history of the exoplanets.