Science ❯ Astronomy ❯ Astrophysics

Brown Dwarfs

Gliese 229B The Accident Atmospheric Chemistry SIMP-0136 Characteristics Wolf 1130C Chemical Composition Auroras Mass Transfer Phosphine Discovery SIMP-0136 Binary Systems Silane Detection Observations Phosphine Detection Cosmic Objects Planetary Mass Objects Gliese 229 B Atmospheric Composition Companion Stars

Astronomers Map Orbit and Mass of Stormy Brown Dwarf Around Nearby Red Dwarf

Gaia-only acceleration on a faint red-dwarf host enabled the first precise dynamical mass for this companion.

JWST Finds Phosphine on Ancient Brown Dwarf, Matching Model Predictions

JWST Study Finds Aurora-Driven Heating and Thermal Inversion on Nearby Rogue World SIMP-0136

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