The map below shows the Apollo 11 crew's movement on the Moon can fit within the size of a soccer (football) field.
这幅地图下面显示，阿波罗11号宇航员曾获动过的地方仅相当于一个英式足球场大小。
2
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.