2262 - Planets gradually changing planetaryorbit. Mars is threatened by comets.
2262年，行星们逐渐转变了自己的旋转轨道，火星被彗星威胁。
2
The orbit of Venus, the 2nd planet outward form the sun, comes closer to Earth than any other planetaryorbit.
金星的轨道，围绕太阳外运行的第二颗行星，它比任何其它的行星轨道都靠近地球。
3
Kepler went on to show that an elliptical orbit is sufficient to explain the movement of the other planets and to devise the laws of planetary motion that Newton built on.