On October 28, the Tianwen-1 probe successfully completed the third midway correction of its orbit.

On the way to Mars, why did Tianwen-1 make a midway correction of its orbit?

What is the difficulty of Mars exploration?

How many hurdles will Tianwen-1 have to pass before successfully landing on Mars?

  Liu Tongjie, deputy director of the China National Space Administration's Lunar Exploration and Space Engineering Center and spokesperson for China's first Mars exploration mission, recently accepted an exclusive interview with China News Agency "Focus on China" to give an authoritative interpretation of the Tianwen-1 mission.

  Reporter Guo Chaokai Xu Pengpeng Wang Chao reports from Beijing

Editor in charge: [Liu Pai]