In this lesson, students will discuss the feasibility of intelligent life in the universe and propose methods of communication, and design a model community for space travelers and describe how the essential needs of the planetary biospherians will be met. It seems that human beings have dreamed and wondered about the existence of extraterrestrial life capable of communicating with us. In the last 50 years, with the help of radio telescopes, we now have the capability of interplanetary communications.