Students take an overnight visit to the National Radio Astronomy Observatory (NRAO) and perform research using a 40-ft. radio telescope. Grade: 3 | 4 | 5 Subjects: Space and Astronomy (566) Science (4,981) Themes: Space (473) Type: Worksheets (13,427) Activity (2,881) Download Printables help Add to Favorites CREATE NEW FOLDER CancelManage My Favorites