The video, which appeared on YouTube on Friday, shows footage taken Sept. 7 of the collisionnear a group of disputed islands claimed by both Japan and China in the East China Sea.
Moreover, such a huge collision on the far side would have shifted much of the magma ocean that then underlay the moon's surface to the near side, which led to the formation of the maria.
再者，月球远端如此强烈的撞击可能会迫使位于月球表面下的岩浆海流向近端，结果形成了平滑的正面。
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The results illustrate that the collisional absorption have a maximum value when the collision frequency is near the radiation frequency.