Every other Monday at 9 a.m., Don Hladiuk joins a Zoom call with a group of 30 to 45 students. They are eager to learn about space and astronomy, which Hladiuk is more than willing to talk about.

First graders at Glenwood Landing School took to the stage dressed in decorative “out-of-this-world costumes” for the first interdisciplinary Astronomy Celebration. The event, hosted on Thursday, ...