1.   Along the way, he struggled with depression, new strains on his marriage and the strange feeling that he had unexpectedly been relocated to some alien planet.

2.   Because the only thing more fun than wreaking havoc on a gorgeous alien planet is wreaking havoc on your friends on a planet that you have personally built.

3.   A charming little space explorer crashes on an alien planet.

4.   All eyes seemed to be asking if I, an outsider, was from an alien planet.

5.   Creeping across a dimly lit cavern on an alien planet, Mark Hamill stalks his enemy.

6.   If so, the discovery will become just another dud in the dud-filled heap of past pseudo-discoveries of alien planets.

7.   Others are more abstract and resemble large colorful atlases of some alien planet or psychedelic Rorschach inkblots.

8.   Pioneers who came to colonize an alien planet have mysteriously disappeared.

9.   White Baltimore and black Baltimore were alien planets, almost entirely ignorant of each other.