Share Word Search Pioneers in Astronomy and Space Exploration To create your word search for "Pioneers in Astronomy and Space Exploration", first select the words you want to use. Choose up to twenty words for your game by clicking on a suggested word or enter your own by typing over an existing word. Suggestions for your word search; click to add. UNDERSTANDING ASTRONOMICAL INDIVIDUALS POSITIONED EARTHBOUND DISCOVERY CHRONICLE ARISTOTLE ASTRONOMY PIONEERS UNIVERSE ADVANCED VANGUARD PRESENT GALILEO INCLUDE PTOLEMY MICHAEL UNKNOWN LAYING LIVES SPACE GREAT PAST LINE How do you want the words displayed in the game? Forward Down Diagonal Backward Puzzle Title