The influx of icy pebbles to the inner regions of protoplanetary disks constitutes a fundamental ingredient in most planet formation theories.
T-Tauri disk
Posted inAstrochemistry, Astrogeology, Atmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Exoplanets, -moons, -comets, Status Report
Modeling the Impact of Moderate External UV Irradiation on Disk Chemistry
The chemistry within a protoplanetary disk is greatly affected by external radiation from the local stellar environment.
Posted inAstrochemistry, Astrogeology, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Status Report
Radial and Vertical Constraints On The Icy Origin Of H2CO In The HD 163296 Protoplanetary Disk
H2CO is a small organic molecule widely detected in protoplanetary disks. As a precursor to grain-surface formation of CH3OH, H2CO is considered an important precursor of O-bearing organic molecules that […]
Posted inAstrochemistry, Astrogeology, Exoplanets, -moons, -comets, Press Release
Neon Readings By Webb Prompt New Thinking About Planet Formation
Observations by the MIRI instrument on NASA’s Webb telescope are providing new clues about the time window when planets can form around a young star.