1.   The planet rotates in the same direction as its revolution around the sun.

2.   The planets rotate around the sun.

3.   At that altitude, a satellite orbits Earth at the same speed that the planet rotates.

4.   Humans dammed up so much water that geophysicists say it has perceptibly altered the way the planet rotates.

5.   Of course, the planet now rotates on a different axis.

6.   When the nine planets rotate to such a position that the earth is separated from the other eight by the sun, major climatic changes occur, Xu said.