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 TRAVELLING GROUNDWORK EARTHBOUND ASTRONOMY DISCOVERY THEORISTS ARISTOTLE PIONEERS VANGUARD UNIVERSE ADVANCED UNKNOWN GALILEO MICHAEL INCLUDE PTOLEMY LAYING LIVES GREAT LINE PAST How do you want the words displayed in the game? Forward Down Diagonal Backward Puzzle Title