ORONO — University of Maine Cooperative Extension 4-H is participating in the 2021 National 4-H STEM Challenge with a new four-session club. “4-H Galactic Quest” will meet virtually from 4–5 p.m. Nov. 15, 22, 29 and Dec. 6. Designed by Clemson University, the hands-on challenge focuses on space exploration, including the history of humans in space, the technology and resources needed for missions and the obstacles humans encounter in orbit.