Fifty years of direct exploration of the Moon has taught us that Moon is one of the most mysterious objects in the solar system. The more we learn about it, scientifically more enigmatic it becomes. To unravel this mystery several missions for direct exploration of the Moon are underway by many countries. This series of missions includes India’s Chandrayaan-1 mission, which is all set for launch soon and will be followed by Chandrayan-2 in a few years. This ...