20世纪80年代末,商业航天逐渐兴起并日趋活跃,时至今日已占据全球航天产业经济总量的75%以上,成为世界航天产业发展的主要动力。诸如SpaceX公司、轨道科学公司等一大批商业航天企业也展示出了强大实力,以出色的成本控制、大胆的技术创新为显著特点,迅速成长并逐渐占领市场。传统意义上,商业航天大多是指卫星应用和服务,运载火箭的商业化往 In the late 1980s, commercial space was gradually emerging and increasingly active. Nowadays, commercial space occupies more than 75% of the global aerospace industry’s economic output, becoming the main driving force for the development of the world’s aerospace industry. A large number of commercial aerospace companies such as SpaceX Corporation and Orbital Science Company have also shown great strength. With outstanding cost control and bold technological innovation as their distinguishing features, they have rapidly grown and gradually dominated the market. Traditionally, commercial space mostly refers to satellite applications and services, commercialization of launch vehicles