Observation of a hot-gas plume produced after impact in nitrogen gas using a gas gun and analysis of synthesized amino acids

Le résumé fourni par la source

To investigate synthesis of amino acids by asteroid's impact onto Titan and other satellites / planets, simulation experiment has been carried out using a 2-stage light gas gun.A small polycarbonate projectile with about 7 km/s is injected into a pressurized target chamber filled with 1 atm of nitrogen gas, to impact onto a target.After the impact, a hot gas plume is generated and expands in the chamber, which is recorded by a high-speed camera and measured by a Langmuir-probe array.After extinction of the plume, carbon-particles deposit on the inner wall of the chamber, which is collected, hydrolyzed and analyzed by the HPLC method.As a result, many kinds of amino acids (glycine, alanine etc.) are detected.

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