Publication Date

Spring 2014


In Jupiter's Great Red Spot, ammonia, phosphine, and para-Hydrogen were found. The Great Red Spot is the local maximum of ammonia, the most abundant compound of the atmosphere. The abundance of ammonia in the Spot is regulated by a complex interaction between photochemistry, condensation, precipitation, and atmospheric dynamics. Ammonia is found most abundant in the regions at around 400-500 mbar when phosphine is the most abundant at 600 mbar. The photo-dissociation reaction of phosphine that occurs in the Spot helps explain why the planet Jupiter and the Great Red Spot is red. The reaction sequence proposed by scientists Prinn and Lewis had some faults. Many different researchers explained how the reaction sequence could be changed to accommodate the data and observations.


Chemistry 205


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