PRESQUE ISLE – The Aroostook County Astronomy Club will hold an astronomy workshop session for high school and middle school teachers at 2 p.m. Saturday, May 17, in the Campus Center of the University of Maine at Presque Isle.

Manju Prakash, Northeast regional NASA representative and Maine School of Science and Mathematics physics instructor, will present a session about the Thermal Emission Imaging System, a recent NASA mission to study the origin of the northern lights.

Teachers also are invited to take part in making a planisphere and a sundial, and learning about classroom resources available online. A planetarium show, “Close Encounters of the 1975 Kind,” is scheduled for 7 p.m. at the Francis Malcolm Science Center in Easton.

For information contact Jim Stepp at 768-9560.