Why is the Earth so special that life was born on it? Will we ever be lucky enough to meet aliens? What interesting did the rovers find on the red planet? Which star systems are called triple? The answers to these and many other questions are sought by restless and inquisitive children, traveling through space using a miracle computer. They quarrel and reconcile, rejoice and get upset, are afraid to bear and show extraordinary courage - and, of course, do not always listen to the instructions of adults. But only in order to save the home planet Earth from terrible and mysterious danger. Unfold this fascinating book to see if they succeed!