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Astrochemistry: January 2014


Polycyclic aromatic hydrocarbons (PAHs) are some of the major dust components in the interstellar medium (ISM).

Volatiles in Protoplanetary Disks

Volatiles are compounds with low sublimation temperatures, and they make up most of the condensible mass in typical planet-forming environments.

Spitzer Probes Weather on Brown Dwarfs

Swirling, stormy clouds may be ever-present on cool celestial orbs called brown dwarfs. New observations from NASA's Spitzer Space Telescope suggest that most brown dwarfs are roiling with one or more planet-size storms akin to Jupiter's "Great Red Spot."