He saw mountains casting shadows on the moon and realised this body was a world, like the Earth, endowed with complicated terrain.

他看见群山在月亮上投下影子，于是才意识到月球正如地球一般，也是一个地形复杂的世界。

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Shortly afterwards he turned it on the skies. He saw mountains casting shadows on the moon and realised this body was a world, like the Earth, endowed with complicated terrain.

过了会儿，他举起望远镜，转向天空，看到了绵延的群山在月球投下的阴影，他猛然意识到这个天体是另一个“世界”，和地球一样，也被赋予了复杂的地形地貌。

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In 1966, a NASA team doing work for the Apollo moon mission took the astronauts near Tuba City where the terrain of the Navajo Reservation looks very much like the Lunar surface.

1966年，为阿波罗号登月任务而工作的一组美国航空航天局人员把宇航员带到了图岜城附近的纳瓦霍保留地区域。

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After launching a lunar orbiter later this year, scientists will begin the process of choosing among several competing rover designs for exploring the Moon's geology and terrain, and now the first of these candidates has been unveiled for public consumption.

ENGADGET: Chinese engineers reveal nuclear-powered lunar rover

Nomad, a robotic rover built by the Carnegie-Mellon Robotics Institute in Pittsburgh, Pennsylvania, spent 45 days in the Atacama in 1997, in order to evaluate its ability to negotiate the kinds of rocky terrain found on the moon and Mars.

ECONOMIST: Planetary pretenders

He saw mountains casting shadows on the moon and realised this body was a world, like the Earth, endowed with complicated terrain.

ECONOMIST: In praise of astronomy, the most revolutionary of sciences