行星探测有助于了解地球和太阳系的起源、形成和演变，特别是对离地球最近的两颗行星——火星和金星的探测，更有助于我们深入了解人类的老家——地球，并提高对保护太阳系内这块唯一的绿洲的重要性的认识。虽然月球、行星探测技术难度较大，耗资亦巨，但是，随着行星探测活动 Planetary exploration helps to understand the origins, formation and evolution of the earth and the solar system, and especially the exploration of Mars and Venus, the two closest planets to the Earth, to help us better understand and improve our human homeland Awareness of the importance of protecting this single oasis within the solar system. Although the moon, planet detection technology more difficult and costly, but with the planet exploration activities