James Webb Space Telescope reveals first exoplanet with ‘sand rain’ and a growing ‘sandcastle’ companion, redefining planetary evolution
- June 12, 2025
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NASA’s James Webb Space Telescope has made a groundbreaking discovery in the YSES-1 system, 300 light-years away. It revealed gas giants, YSES-1 b and c, with atmospheres containing ‘sand clouds’ made of silicates. These clouds, composed of minerals like pyroxene and forsterite, offer insights into exoplanet chemistry. The young system, only 16.
