This Sunday, March 26, showing at 3:00 and 4:00 PM, the Hatter Planetarium will present “The Hot and Energetic Universe,” a 2016 full-dome documentary produced by the Integrated Activities in the High-Energy Astrophysics Domain. Trailer below! It will be preceded by a live planetarium sky tour presented by Hatter Planetarium staff. The show is free and the public is welcome. First-come, first-seated; the doors close when the show begins.