The Dark Twin is shown opposite the Earth, identified not only by being on the opposite side of the Sun but by the counterclockwise orbit direction that they both assume.
黑暗双星显示于地球的对面，这不仅可以从它在太阳对面看出来，还有它和地球都采用的逆时针轨道方向。
Under the control of the Sun's gravitational force, each planet maintains an elliptical orbit and all of them travel in the same direction.
在太阳引力的控制下，每个行星都维持在一条椭圆形的轨道上，并按照相同的方向移动。
The eight planets of our solar system orbit in the same direction along what's called the ecliptic, a flat plane that's nearly aligned with the sun's equator.
太阳系中的八大行星都沿着同一方向在被叫作黄道面(这一平面与太阳赤道面形成微小的夹角)运行。
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