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Researchers observe highly excited roaming energy pathway in chemical reactions

Researchers observe highly excited roaming energy pathway in chemical reactions
phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.

Volcanic Sulfur Dioxide Photochemistry May Trigger Earth s Oxygen Surge

Volcanic Sulfur Dioxide Photochemistry May Trigger Earth s Oxygen Surge
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Oxygen production from volcanic sulfur dioxide photochemistry: A possible trigger for Earth s great oxidation event

Oxygen production from volcanic sulfur dioxide photochemistry: A possible trigger for Earth s great oxidation event
phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.

Dalian coherent light source reveals oxygen production from three-body photodissociation of water

 E-Mail IMAGE: Dalian Coherent Light Source revealing three-body photodissociation of water as an important prebiotic-O2 source view more  Credit: DICP The provenance of oxygen on Earth and other solar planetary bodies is a fundamental issue. It is widely accepted that the prebiotic pathway of oxygen production in the Earth primitive atmosphere was via vacuum ultraviolet (VUV) photodissociation of CO 2 and subsequent recombination of two O atoms. In contrast, the photodissociation of H2O, one of the dominant oxygen carriers, has long been assumed to proceed mainly to produce hydroxyl (OH)- and hydrogen (H)-atom primary products, and its contribution to oxygen production is limited.

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