... is just what we can see, because we can only see and look so far, due to the limitation of light. Then, inside of these galaxies we have to look at the billions of stars to look for planetary systems like our own. One of the most debated theories towards the possibility extraterrestrial life is the Drake Equation. Frank Drake created this equation at the ... complex, talk with them? We have a problem, a very big problem. Let's say we found a planetary system in our closest neighbor galaxy, Andromeda. If we sent out radio waves of communication, at the speed of light it would take roughl...

• Word Count: 1533
• Approx Pages: 6
• Has Bibliography
• Grade Level: High School