Since its successful launch on October 1 this past year, Chang’e 2 hasoperated in space for more than 300days and completed its preset lunar exploration mission without fault. At 17:10 on June 9 this year, Chang’e 2 left its lunarorbit,flying to the Lagrangian Point L2 to explore deep space beyond the moon. This pioneering trip from the moon shall lay the foundation for China’s next step, the Mars exploration program. At 23:27 on Since its successful launch on October 1 this past year, Chang'e 2 hasoperated in space for more than 300days and completed its preset lunar exploration mission without fault. At 17:10 on June 9 this year, Chang'e 2 left its lunarorbit, flying to the Lagrangian Point L2 to explore deep space beyond the moon. This pioneering trip from the moon shall lay the foundation for China's next step, the Mars exploration program. At 23:27 on