Results 191 to 200 of about 2,100,661 (229)

Prebiotic Astrochemistry and the Formation of Molecules of Astrobiological Interest in Interstellar Clouds and Protostellar Disks.

Chemical Reviews, 2020
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 conditions and that clearly were created by a multitude of chemical ...
S. Sandford   +3 more
semanticscholar   +1 more source

Exploiting Photoionization Reflectron Time-of-Flight Mass Spectrometry to Explore Molecular Mass Growth Processes to Complex Organic Molecules in Interstellar and Solar System Ice Analogs.

Accounts of Chemical Research, 2020
ConspectusThis Account presents recent advances in our understanding on the formation pathways of complex organic molecules (COMs) within interstellar analog ices on ice-coated interstellar nanoparticles upon interaction with ionizing radiation ...
A. Turner, R. Kaiser
semanticscholar   +1 more source

Polycyclic aromatic hydrocarbons in samples of Ryugu formed in the interstellar medium

Science, 2023
Polycyclic aromatic hydrocarbons (PAHs) contain ≲20% of the carbon in the interstellar medium. They are potentially produced in circumstellar environments (at temperatures ≳1000 kelvin), by (~10 kelvin) interstellar clouds, or by processing of carbon ...
S. Zeichner   +76 more
semanticscholar   +1 more source

Quantum Mechanical Investigations on the Formation of Complex Organic Molecules on Interstellar Ice Mantles. Review and Perspectives

ACS Earth and Space Chemistry, 2019
The interstellar medium (ISM) is rich in molecules, from simple diatomic to complex organic ones, some of which have a biotic potential.
Lorenzo Zamirri   +3 more
semanticscholar   +1 more source

Detection of interstellar 1-cyanopyrene: A four-ring polycyclic aromatic hydrocarbon.

Science
Polycyclic aromatic hydrocarbons (PAHs) are organic molecules containing adjacent aromatic rings. Infrared emission bands show that PAHs are abundant in space, but only a few specific PAHs have been detected in the interstellar medium.
Gabi Wenzel   +24 more
semanticscholar   +1 more source

Complex Organic Interstellar Molecules

, 2009
E. Herbst, E. Dishoeck
semanticscholar   +1 more source

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