彗核

A black and white image shows, from the side, the wall of a high jagged cliff. At the bottom of the cliff is a smooth landing dotted with rocks. Please see the explanation for more detailed information.
一幅黑白照片从侧面展示了高耸的峭壁。悬崖底部是一个光滑的着陆点，上面散布着岩石。有关更多详细信息，请参阅说明。