Context. Cosmic dust is ubiquitous in astrophysical environments, where it significantly influences the chemistry and the spectra. Dust grains are likely to grow through the accretion of atoms and molecules […]
Carbonaceous Dust
Posted inAstrochemistry, Astrogeology, Comets and Asteroids, Icy Worlds, Imaging & Spectroscopy, Status Report
Prominent Mid-infrared Excess Of The Dwarf Planet (136472) Makemake Discovered by JWST/MIRI Indicates Ongoing Activity
We report on the discovery of a very prominent mid-infrared (18-25 um) excess associated with the trans-Neptunian dwarf planet (136472) Makemake.
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Icy Worlds, Interstellar, Status Report
Interstellar Carbonaceous Dust Erosion Induced By X-ray Irradiation Of Water Ice In Star-forming Regions
The chemical inventory of protoplanetary midplanes is the basis for forming planetesimals. Among them, solid-state reactions based on CO/CO2 toward molecular complexity on interstellar dust grains have been studied in […]
Posted inAstrochemistry, Astrogeology, Imaging & Spectroscopy, Interstellar, Status Report
Carbonaceous Dust Grains Within Galaxies Seen In The First Billion Years Of Cosmic Time
Interstellar dust captures a significant fraction of elements heavier than helium in the solid state and is an indispensable component both in theory and observations of galaxy evolution.
Posted inAstrochemistry, Astrogeology, Press Release
Formation and Properties of Astrophysical Carbonaceous Dust
The classical theory of grain nucleation suffers from both theoretical and predictive deficiencies. We strive to alleviate these deficiencies in our understanding of dust formation and growth by utilizing an […]