1969年,美国成功地实施了阿波罗计划,人类第一次登上了月球,为远征其他星球进行科学考察奠定了基础。火星是最有可能存在生命的星球,也是多年来人们一直密切关注的星球,人类下一个涉足的目标必然是火星。尽管在数十年间世界主要航天大国向火星发射了许多探测器,但由于科学技术水平所限,一时还 In 1969, the United States successfully implemented the Apollo project. Humans landed on the moon for the first time, laying the foundation for scientific expeditions to expedition to other planets. Mars is the planet most likely to have life. It is also a planet that has been closely watched for many years. The next target for human involvement must be Mars. Although many of the world’s major spacefaring nations have launched many probes to Mars in decades, they are still limited by the level of science and technology.