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Indicators of Extraterrestrial Life: What to Look For?
In June, astronomers reported a disappointing discovery: The James Webb Space Telescope failed to find a thick atmosphere around the rocky planet TRAPPIST-1 C, an exoplanet in one of the most tantalizing planetary systems in the search for alien life. The finding follows similar news regarding neighboring planet TRAPPIST-1 B, another planet in the TRAPPIST-1…