Moons are generally thought to form in one of two ways - either by coalescing from the same cloud of debris as their parent planet, or as wandering objects captured by the parent's gravitational pull.

卫星通常被认为形成于两种途径：一是由它们母星的同性云状碎片合并而成，一是被母星重力抓住的游离天体。

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The main (parent) functionality of the tiny cloud is defined in Listing 10.

tinyclound的main (parent)功能在清单10中定义。

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The main (parent) functionality of the tiny cloud is defined in Listing 10.

tinyclound的main (parent)功能在清单10中定义。

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