1.   And the planet earth is within the reach of gravitational pull and things on the earth are attracted by the moon.

2.   There is only one sport that brings planet earth to the same mental sporting arena, and that is soccer, er, football.

3.   With that four-cylinder respect for the environment, he would be a natural steward of planet earth.

4.   A big ball symbolizing planet earth had been put in the middle of the hall.