从长时间尺度看，在地球绕太阳运动过程中会涌现出全球变化特性；
If explore for the earth with long time scale, the earth changes may emerge from solar system, and the earth catastrophisms may emerge from Galactic System.
小行星是由岩石或是金属块构成的小天体，他们绕太阳运动但绝不会卷入其他行星的运行轨道中。
Asteroids are stray chunks of rocky or metallic materials that orbit the sun but were never drawn into any of the planets.
伽利略，一位17世纪的天文学家和数学家，他因宣称地球绕太阳运动而同样被教堂浸在热水中烫死。
Galileo, the 17th Century astronomer and mathematician, also found himself in hot water with the Church for claiming that the Earth revolved around the sun.
接着开普勒提出了他的定律，他说行星基本上是绕太阳作椭圆运动，它们在椭圆上有特殊的运动规律。
And then Kepler came with these laws that said basically that planets move in an ellipse around the sun, and that they move in a very specific way along that ellipse.
它们绕轨道运动的方向一致(从太阳北极上看是逆时针方向)，因此，科学家们把冥王星排除在九大行星之外。
They circle the orbital motion the direction to be consistent (from the solar North Pole looked is counter clockwise), therefore, the scientists remove Pluto outside the nine planets.
太阳不是象我们所见的绕地球运动。
太阳不是象我们所见的绕地球运动。
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