The Photochemical Origin of Life, Volume 10

absorption abundance algae amino acids ammonia ammonium ammonium nitrite appeared asymmetric asymmetric synthesis atoms autotrophic bacteria Berthelot biogenic origin biosphere calcium carbides carbon dioxide cell chemical chemistry chlorophyll CHOH CO₂ complex Compt contain cosmic cosmic dust crystals Cyanophyceae cycle Dauvillier dissociation earth elements energy evolution exist formation free oxygen galaxy gaseous gases geochemical germ globe H₂ H₂O hydrogen hydrosphere light lithosphere living creatures living matter living organism living world macromolecules magma Mars mass mechanism meteorites molecules nitrates nitrogen oceans optical organic matter organic substances oxidation oxygen ozone panspermia Paris Pasteur photochemical photolysis photosynthesis polarized present primitive atmosphere problem produced proteins psychism quartz radioactivity reaction region Rend rocks role sea water showed shown silica solar radiation solar system species spectrum stars stellar structure sulfide sulfur surface synthesis terrestrial planets theory thermal thousand million tion ultraviolet Venus virus viruses volcanic water vapor