靠近地球的9号探测器和其他俄罗斯着陆器所看到的岩石图，暗示了一段痛苦的火山历史，这一点在上世纪90年代初得到了美国麦哲伦轨道飞行器的证实。
The rocky views glimpsed by the Nearer Nine and other Russian landers suggested a tortured volcanic history that was confirmed in the early 1990s by the American Magellan orbiter.
图13：月球勘测轨道飞行器在2009年10月1日拍摄的这幅照片为阿波罗17号的着陆地点。
13: This LRO image of the Apollo 17 landing site was acquired on October1st, 2009.
尽管这次飞行以成功着陆结束，图 2 中的图表还是显示出一些陡峭的峰值（蓝线）。
Although this flight ended in a successful landing, the graph in Figure 2 shows several large spikes (the blue line) in height measured by radar.
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