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On the origin of the ionosphere at the Moon using results from Chandrayaan-1 S band radio occultation experiment and a photochemical model

Choudhary, R. K.; Bhardwaj, Anil; Dhanya, M. B. +2 more

The origin of the Moon's ionosphere has been explored using Chandrayaan-1 radio occultation (RO) measurements and a photochemical model. The electron density near the Moon's surface, obtained on 31 July 2009 (∼300 cm^-3), is compared with results from a model which includes production and recombination of 16 ions, solar wind proton charg…