Chinese space probe flies by asteroid Toutatis (6)

（Xinhua）  16:54, December 17, 2012

However, China still belongs to the second tier in lunar probe internationally, said Ouyang Ziyuan, chief scientist for China's lunar orbiter project, adding that the Unites States and Russia are still leading nations in this field.

Wu Weiren stressed international cooperation in lunar probe, saying it is a shared responsibility of world scientists to work together in lunar and deep space exploration for the common good of the human race.