英德
有道
百度
谷歌
图片
维基
百科
月球成因
lunar origin
- 一种主流看法认为是重力潮汐作用改变了月球的外壳，并使其向一侧倾斜，但该新理论是以解释月球成因的“大碰撞”模型为基础的。
One leading idea is that gravitational tidal forces reshaped the moon's crust and made it lopsided. But the new theory builds on the "giant impact" model that explains the moon's creation. - 多年来，牛顿一直对月球和行星轨道运动的成因好奇。
For years Newton had been curious about the cause of the orbital motion of the moon and planets. - 如此多的射线其成因仍然是个谜，因为太空的风化效应如粉尘积聚和太阳风衰减，在水星上比月球上更强烈。
The rays prevalence is a mystery because space weathering effects such as dust accumulation and solar wind attenuation should be greater on Mercury than on the Moon.
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