最新的模拟表明，这些月亮们之间的“家庭暴力”可以解释一个长期以来让人困惑不已的难题。
New simulations now suggest such moon-on-moon violence could explain a long-standing puzzle about the moon's two-faced nature.
这有点像是突然转向的赛车在环形赛道上相撞，月亮们也在同一轨道公转，所以他们之间的相对速度很小。
Like racing cars that swerve and hit each other on a circular track, the moons' speed relative to each other is low because they travel in nearly the same orbit.
家长们与他们的孩子们一起制作月饼、月亮形面具和灯笼。
Parents make mooncakes, moon masks, and lanterns with their children.
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