Photo taken on Sept. 29, 2010 shows scientists examine the fueling system for the Long March CZ-3C rocket, which will boost Chang'e II to a trans-lunar orbit, in Xichang Satellite Launch Center in Xichang, southwest China's Sichuan Province. China will launch its second lunar probe, Chang'e II, at an appropriate time between Oct. 1 and 3, the Xichang Satellite Launch Center announced Wednesday. The series of Chang'e probes is named after a legendary Chinese moon goddess. [Xinhua photo]