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C1XS results-First measurement of enhanced sodium on the lunar surface

Grande, M.; Narendranath, S.; Sreekumar, P. +1 more

We describe the first unambiguous evidence of enhanced sodium on the lunar surface revealed by the Chandrayaan-1 X-ray Spectrometer (C1XS). The C1XS onboard the Chandrayaan-1 spacecraft was designed to map the surface elemental chemistry of the Moon using the X-ray fluorescence (XRF) technique. During the nine months of remote sensing observations…