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On the origins of backscattered solar wind energetic neutral hydrogen from the Moon and Mercury

Verkercke, S.; Leblanc, F.; Tramontina, D. +8 more

The surfaces of planetary airless bodies are directly bombarded by solar particles. The most abundant of those particles are solar wind protons. In the case of the Moon, many in situ observations have shown that a significant portion of these incident solar-wind protons are backscattered as energetic neutral hydrogen atoms (ENA). Measurements of t…

Comparative analysis of photometric parameters over Apollo landing sites from Terrain Mapping Camera (Chandrayaan-1/2) and lab measured data

Arya, A. S.; Nagori, Rohit; Dagar, Aditya K.

Terrain Mapping Camera (TMC) onboard Chandrayaan-1/2 have provided high spatial resolution (∼5m) panchromatic images in three stereo-views of fore, nadir and aft, (-25⁰, 0⁰, 25⁰), respectively. This study presents the comparative analysis of photometric properties in visible domain from TMC and lab measured data over Apollo 11, 12, 16 and 17 landi…