Science ❯ Planetary Science ❯ Gas Giants

Jupiter and Saturn

Atmospheric Chemistry Silane Detection Atmospheric Composition Silicon Compounds

JWST Finds Phosphine on Ancient Brown Dwarf, Matching Model Predictions

The measurement at roughly 100 parts per billion confirms abiotic formation in hydrogen-rich atmospheres.

JWST Confirms First Silane Detection in Ancient Brown Dwarf, Recasting Planetary Cloud Chemistry

Webb Detects First Silane in Ancient Brown Dwarf, Clarifying Jupiter–Saturn Silicon Mystery