![Thumb](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Chang%27e_4.png/640px-Chang%27e_4.png)
今次任務係繼中國第一次登月「嫦娥三號」之後行動。佢太空飛行器起頭係作為嫦娥三號嘅士啤航天器建造嘅,並喺2013年嫦娥三號成功著陸後投入使用。為實現新嘅科學目標,對嫦娥四號嘅結構進行比較。
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