伽利略卫星
伽利略卫星（英语：Galilean moons）是木星个四个大型卫星，由伽利略于1610年1月7号首次发现。迭四个卫星可以用低倍率望远镜来观测到，如果没光害，外加环境极好，甚至可用肉眼勉强看到木卫三搭木卫四，利用数字单反相机搭配合适个望远镜头也可以轻易个拉较无光害个地方拍下迭几颗伽利略卫星。
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