Orbiting the moon at an altitude of just 31 miles, the LRO spacecraft is designed to map the lunar surface in unprecedented detail to help identify possible landing sites for future manned missions.
LRO太空飞行器在仅31英里的高度绕月球飞行，设计该飞行器的目的是绘制空前详细的月球表面地图，以帮助确定未来载人飞行任务可能的着陆点。
The spacecraft will launch on an ESA Vega rocket, reaching speeds of 16,000 miles per hour and 280 miles in altitude.
它将搭载欧盟织女（Vega）火箭升空，速度达到16000英里每小时，轨道高度280英里。
Experiments were designed and conducted on spacecraft thermal coating to simulate an absorbed dose profile from synchronous altitude radiation by varying the energy of incident electrons and protons.
文章介绍了航天器的热控涂层试验，用改变入射质子和电子能量的办法，模拟同步轨道辐射环境。
应用推荐