PBS
Pbs Teachers: Shackleton's Antarctic Odyssey: Let the North Star Tell You Where
Through this lesson, students will understand how to determine latitude and locate specific stars in the night sky. They will also have a chance to build and use an astrolabe.
Other
University of Leicester: Comets, Asteroids & Meteorites
Provides a general overview of comets, asteroids, and meteorites. Content includes ways to identify them in the night sky, as well as detailed information on each type of small body.