Webb Detects Silicon Monoxide in Atmosphere of Ultrahot Jupiter WASP-121b
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have detected water, carbon monoxide, and silicon monoxide in the dayside atmosphere of WASP-121b and methane in the planet’s nightside atmosphere. This is the first and only time silicon monoxide has been detected in the atmosphere of any planet — including those…
bubmagJune 2, 2025