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Unveiling Early Earth Photochemistry Through Experimental Simulations of Planetary Atmospheres

Nathalie Carrasco 1 Thomas Gautier 1
LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales
Abstract : This chapter summarizes the contributions of the early Earth atmosphere between late Hadean and early Archean eons (4.3 to 3.7 Ga) to sustain the emergence of life: influencing both the climate and prebiotic chemical synthesis through photochemistry. Almost no geological constraints remain on these early ages so that chemical scenarios are largely explored through experimental simulations. The main scientific results through time are given, from the pioneering experiment by Miller and Urey in the 1950s, up to the most recent studies focusing on high altitude photochemistry.
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Submitted on : Saturday, August 7, 2021 - 5:26:15 PM
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Nathalie Carrasco, Thomas Gautier. Unveiling Early Earth Photochemistry Through Experimental Simulations of Planetary Atmospheres. Franz Saija, Giuseppe Cassone (eds). Prebiotic Photochemistry: From Urey–Miller-like Experiments to Recent Findings, chapitre 4, Royal Society of Chemistry, pp.60-78, 2021, 978-1-83916-177-3/ 978-1-83916-435-4/978-1-83916-436-1. ⟨10.1039/9781839164354-00060⟩. ⟨insu-03261964⟩



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