The theory is not yet scientifically established.
这个理论尚未被科学地证实。
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Sure enough, different parts of the present moon's crust, recovered by various missions to the lunar surface, differ in age by up to 200m years, a fact that has long puzzled selenologists but which the impact theory neatly explains.
这也意味着这个月球的岩石要年久的多。果真如此,现在月球外壳的不同部分,各次去月球表面的探测任务发现,这些岩石年代的不同达到2亿年之久。一个长期困扰月球学家的客观事实被碰撞巧妙
解释了。