The movement of Mars is merely the movement of a luminous spot on the surface of a sphere , which, although it rotates on its axis, does not actually move anywhere.
火星的运动仅仅是一个球体表面上的一个发光点的运动。尽管它在轨道上旋转，实际却是没有什么变化。
A luminous spot on a lunar halo.
幻月，假月月晕上的光斑。
A luminous spot on a lunar halo.
幻月，假月月晕上的光斑。
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