Ion chemistry in space

M Larsson, WD Geppert, G Nyman - Reports on Progress in …, 2012 - iopscience.iop.org
We review the gas-phase chemistry in extraterrestrial space that is driven by reactions with
atomic and molecular ions. Ions are ubiquitous in space and are potentially responsible for …

Titan tholins: simulating Titan organic chemistry in the Cassini-Huygens era

ML Cable, SM Hörst, R Hodyss… - Chemical …, 2012 - ACS Publications
Titan is the gem of the Saturnian system, an icy world laden with organics and shrouded in
an auburn haze. Due in large part to the discoveries of the Cassini-Huygens mission to the …

Redistribution of particles across the nucleus of comet 67P/Churyumov-Gerasimenko

N Thomas, B Davidsson, MR El-Maarry… - Astronomy & …, 2015 - aanda.org
Context. We present an investigation of the surface properties of areas on the nucleus of
comet 67P/Churyumov-Gerasimenko. Aims. We aim to show that transport of material from …

Formation of amino acids and nucleotide bases in a Titan atmosphere simulation experiment

SM Hörst, RV Yelle, A Buch, N Carrasco… - Astrobiology, 2012 - liebertpub.com
The discovery of large (> 100 u) molecules in Titan's upper atmosphere has heightened
astrobiological interest in this unique satellite. In particular, complex organic aerosols …

OSIRIS observations of meter-sized exposures of H2O ice at the surface of 67P/Churyumov-Gerasimenko and interpretation using laboratory experiments

A Pommerol, N Thomas, MR El-Maarry… - Astronomy & …, 2015 - aanda.org
Since OSIRIS started acquiring high-resolution observations of the surface of the nucleus of
comet 67P/Churyumov-Gerasimenko, over one hundred meter-sized bright spots have been …

Sublimation of water ice mixed with silicates and tholins: Evolution of surface texture and reflectance spectra, with implications for comets

O Poch, A Pommerol, B Jost, N Carrasco, C Szopa… - Icarus, 2016 - Elsevier
The surfaces of many objects in the Solar System comprise substantial quantities of water
ice sometimes mixed with minerals and/or organic molecules. The sublimation of the ice …

Chemistry of temperate super-Earth and mini-Neptune atmospheric hazes from laboratory experiments

SE Moran, SM Hörst, V Vuitton, C He… - The Planetary …, 2020 - iopscience.iop.org
Very little experimental work has been done to explore the properties of photochemical
hazes formed in atmospheres with very different compositions or temperatures than those of …

Titan's atmosphere: An optimal gas mixture for aerosol production?

E Sciamma-O'Brien, N Carrasco, C Szopa, A Buch… - Icarus, 2010 - Elsevier
Here we present the first quantitative study of the gas to solid particle conversion in a Radio
Frequency dusty plasma experiment simulating the complex atmospheric reactivity on Titan …

Nitrile gas chemistry in Titan's atmosphere

T Gautier, N Carrasco, A Buch, C Szopa… - Icarus, 2011 - Elsevier
This work presents the first study of the gaseous products resulting from the partial
dissociation of methane and nitrogen in the PAMPRE experimental setup simulating Titan's …

Surface energy of the Titan aerosol analog “tholin”

X Yu, SM Hörst, C He, P McGuiggan… - The Astrophysical …, 2020 - iopscience.iop.org
The photochemical haze produced in the upper atmosphere of Titan plays a key role in
various atmospheric and surface processes on Titan. The surface energy, one important …