Most moons with irregular orbits are thought to be former comets or asteroids captured by their parent planet's gravity, and that may be Nereid's story too.
大多数有着不规则轨道的卫星被认为是被恒星的重力所吸引住的彗星或者小行星，并且海卫二可能也是这样的。
Most moons with irregular orbits are thought to be former comets or asteroids captured by their parent planet's gravity, and that may be Nereid's story too.
大多数有着不规则轨道的卫星被认为是被恒星的重力所吸引住的彗星或者小行星，并且海卫二可能也是这样的。
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