The visibility of the lunar formations depends on their illumination by the sun . 月球结构的可见性取决于太阳对它们的照明。
2.
Of special interest is the photographic determination of altitudes of lunar formation . 最有趣的是用照相来测定月面结构物的高度。
3.
The names of the various lunar formations and lunar landscapes mostly date back to the early history of visual lunar observation . 各种月面结构物和地形的名称，大都起源于月球目测观测史的早期。
4.
There are two major lunar formation models . in the 现时有两个流行的月球形成理论
