Prebiotic astrochemistry and the formation of molecules of astrobiological interest in interstellar clouds and protostellar disks

SA Sandford, M Nuevo, PP Bera, TJ Lee - Chemical reviews, 2020 - ACS Publications
Despite the generally hostile nature of the environments involved, chemistry does occur in
space. Molecules are seen in environments that span a wide range of physical and chemical …

Space-weathering of solar system bodies: A laboratory perspective

CJ Bennett, C Pirim, TM Orlando - Chemical reviews, 2013 - ACS Publications
In the past few years, several major space missions have been completed (eg, Deep Impact,
LCROSS, Chandrayaan-1, Stardust, Hayabusa), and a number of spacecraft are currently …

Electron irradiation and thermal chemistry studies of interstellar and planetary ice analogues at the ICA astrochemistry facility

DV Mifsud, Z Juhász, P Herczku, STS Kovács… - The European Physical …, 2021 - Springer
The modelling of molecular excitation and dissociation processes relevant to astrochemistry
requires the validation of theories by comparison with data generated from laboratory …

First infrared band strengths for amorphous CO2, an overlooked component of interstellar ices

PA Gerakines, RL Hudson - The Astrophysical Journal Letters, 2015 - iopscience.iop.org
Solid carbon dioxide (CO 2) has long been recognized as a component of both interstellar
and solar system ices, but a recent literature search has revealed significant qualitative and …

The effect of cosmic rays on cometary nuclei. ii. impact on ice composition and structure

R Maggiolo, G Gronoff, G Cessateur… - The Astrophysical …, 2020 - iopscience.iop.org
Since their formation in the protosolar nebula some∼ 4.5 billion years ago, comets are in
storage in cold distant regions of the solar system, the Kuiper Belt/scattered disk or Oort …

Chemical evolution of electron-bombarded crystalline water ices at different temperatures using the procoda code

S Pilling, CH da Silveira… - Monthly Notices of the …, 2023 - academic.oup.com
Water ices are a common component of cold space environments, including molecular and
protostellar clouds, and the frozen surfaces of moons, planets, and comets. When exposed …

The effect of broadband soft X-rays in SO2-containing ices: implications on the photochemistry of ices toward young stellar objects

S Pilling, A Bergantini - The Astrophysical Journal, 2015 - iopscience.iop.org
We investigate the effects produced mainly by broadband soft X-rays up to 2 keV (plus fast
(∼ keV) photoelectrons and low-energy (∼ eV) induced secondary electrons) in the ice …

Energetic processing of N2: CH4 ices employing X-Rays and swift ions: implications for icy bodies in the outer solar system

FA Vasconcelos, S Pilling, WRM Rocha… - The Astrophysical …, 2017 - iopscience.iop.org
We experimentally address in this paper the physicochemical effects induced by ionizing
photons (energies from 6 to 2000 eV) and swift heavy ions (15.7 MeV 16 O 5+) in the icy …

Ion irradiation of pure and amorphous CH 4 ice relevant for astrophysical environments

FA Vasconcelos, S Pilling, WRM Rocha… - Physical Chemistry …, 2017 - pubs.rsc.org
This work presents a physicochemical study of frozen amorphous methane (at 16 K) under
bombardment by medium-mass ions (15.7 MeV 16O5+) with implications for icy bodies in …

SO 3 formation from the X-ray photolysis of SO 2 astrophysical ice analogues: FTIR spectroscopy and thermodynamic investigations

V de Souza Bonfim, RB de Castilho… - Physical Chemistry …, 2017 - pubs.rsc.org
In this combined experimental–theoretical work we focus on the physical and chemical
changes induced by soft X-rays on sulfur dioxide (SO2) ice at a very low temperature, in an …