english: Astronomers now believe that every star in the galaxy has a planet, and they speculate that up to one fifth of them have an Earth-like planet that might be able to harbor life, but we haven't seen any of them.
non_english: Astronomi sada veruju da svaka zvezda u galaksiji ima po jednu planetu, i pretpostavljaju da bar jedna petina njih ima planetu sličnu Zemlji na kojoj može postojati život, ali nijednu još nismo videli.