Sand‑Rain World, YSES‑1’s Silica Clouds Rewrite Exoplanet Weather Rules
Astronomers, led by teams working with the James Webb Space Telescope, have detected silica-based ‘sand clouds’ in the atmosphere of two young gas giants—YSES‑1 b and YSES‑1 c—in the Musca constellation. At just 16.7 million years old, this planetary system presents a rare opportunity to observe planetary weather in its formative epoch. Explorers using JWST noted dense…