n.宇航学；星际航行学

The development of astronautics has opened a new frontier for human exploration.
航天技术的发展为人类探索开辟了新的前沿领域。
The Apollo program was a major milestone in the history of astronautics.
阿波罗计划是航天史上一个重大里程碑。
She dreamed of becoming an astronaut and contributing to the advancement of astronautics.
她梦想成为一名宇航员，为航天事业的进步做出贡献。
The International Space Station is a collaborative project in astronautics.
国际空间站是航天领域的一项国际合作项目。
Many young people are fascinated by the mysteries and possibilities of astronautics.
许多年轻人对航天的奥秘和可能性着迷。
The study of astronautics includes designing spacecraft and planning space missions.
航天学的研究包括设计航天器和规划太空任务。
The launch of the first satellite marked the beginning of the modern era in astronautics.
第一颗卫星的发射标志着现代航天时代的开始。
He gave a lecture on the future trends of astronautics at the science conference.
他在科学会议上做了一个关于航天未来趋势的讲座。
Astronautics has pushed the boundaries of scientific knowledge and technology.
航天技术推动了科学知识和技术的边界。
Collaboration between nations in astronautics promotes global understanding and peace.
在航天领域的国家间合作促进了全球理解和和平。