Stability of organic molecules against shocks in the young Solar nebula

Details Stability of organic molecules against shocks in the young Solar nebula Stability of organic molecules against shocks in the young Solar nebula

2008-09-25

arxiv.org/abs/0809.4331v1

Astronomy and Astrophysics

Astrophysics

to appear in the proceedings of the Cool Stars 15 conference

Scientific paper

10.1063/1.3099281

One of the fundamental astrobiology questions is how life has formed in our Solar System. In this context the formation and stability of abiotic organic molecules such as CH4, formic acid and amino acids, is important for understanding how organic material has formed and survived shocks and energetic particle impact from winds in the early Solar System. Shock waves have been suggested as a plausible scenario to create chondrules, small meteoritic components that have been completely molten by energetic events such as shocks and high velocity particle impacts. We study here the formation and destruction of certain gas-phase molecules such as methane and water during such shock events and compare the chemical timescales with the timescales for shocks arising from gravitational instabilities in a protosolar nebula.

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