The First Detection of Abundant Phosphine in a Brown Dwarf Atmosphere
Phosphorus is an essential element for biological systems, but its synthesis and dispersion over the history of the Milky Way has defied galactic evolution models. The molecular hydride form of phosphorus, phosphine (PH 3), should be abundant in the atmospheres of low-temperature brown dwarfs and gas giant exoplanets, as it is in Jupiter and Saturn
Burgasser, Adam et al.
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6
2025