An Unprecedented Constraint on Water Content in the Sunlit Lunar Exosphere Seen by Lunar-Based Ultraviolet Telescope of Chang'e-3 Mission

J. Wang, C. Wu, Y. L. Qiu +6

The content of $OH/{\mathrm{H}}_2\mathrm{O}$ molecules in the tenuous exosphere of the Moon is still an open issue at present. We here report an unprecedented upper limit of the content of th…