摘要
On May 22,2021,at 10:40 am(Beijing Time),China’s Zhurong rover successfully reached the Mars surface and began its exploration.China is only the second nation to have conducted a successful soft landing and exploration of the red planet.The Mars probe consists of an orbiter and landing rover.The spacecraft includes an entry module consisting of a back shell,landing platform,and outsole,as well as a rover(Figure 1).Before release,the orbiter,which carries the landing rover,completed the Earth–Mars orbital transfer and an orbit reduction maneuver.After a nearly 3.5 h flight,the landing rover and orbiter entered the Martian atmosphere,landing on the planet’s surface after a multi-stage deceleration,and ramp mechanism expansion.Shortly after detaching from the landing platform the rover began its mission.
