translation.en: No. That didn't work either.  So at that point in time, it was clearly unavoidable: we had to map this body in all the detail you could get, because we had to find an area which is 500 meters in diameter and flat.
translation.zh: 不，它的表面还很粗糙。 因此，当时我们迫不得已 做出了如下选择： 我们得利用收集到的所有细节 去绘制这个天体的地图， 因为我们得找到一块直径500米的平地。