Optical Maturity on the Walls of Lunar Craters

Dr. Chae Kyung Sim, PhD.1, Sungsoo S Kim2, Paul G Lucey3, Ian Garrick-Bethell4, Gilho Baek4 and Young-Jun Choi5, (1)Kyung Hee University, Yongin, South Korea, (2)Kyung Hee University, Humanitas College (Global Campus), Yongin, Korea, Republic of (South), (3)Hawaii Inst Geophys & Planetol, Honolulu, United States, (4)Kyung Hee University, Yongin, Korea, Republic of (South), (5)KASI Korea Astronomy and Space Science Institute, Daejeon, South Korea