Temporary Base

The next day the humans were advised to come to the center, which was equipped with an oxygen chamber to help them sustain a conversation. "What is this about?" Xander asked the Commander upon reaching.

"Since you guys agreed to help us, I have decided to brief you on the plan. If you have any modifications to suggest, do let me know" The commander nodded.

He opened something which appeared to be the map of the universe. "As many of you know, only one planet or two at most can sustain any form of life in a particular solar system" the Commander began. "Therefore the pattern of Smeranas can also be traced from solar system to solar system, instead of planet by planet."

"What happens where two planets can sustain life"? Tom asked.

"Well, they take over both the planets before moving on to their next territory" The Commander affirmed. 

"Is there any pattern of their movements"? Kane asked.