The fascination with moon has existed from the very beginning of mankind's story. In mythologies, poems and in the verses of lovers moon has found a prominent romantic place. But it was in 1959 that the human kind got to know the moon closely, with the Soviet Union kick-starting lunar explorations. Despite several probes, including successful human landings on moon, it still remains a mystery—several questions remain unanswered and new findings are going to throw up further complexities about Earth's only natural satellite. On October 22, at 6.20 am local time, when India's first lunar exploration takes off, it would mark a new chapter in human effort to understand a host of characteristics of moon.