Astronomy Learn the basics of astronomy. Course Content Expand All | Collapse All Lessons Status 1 Astronomy Lesson 1 Astronomy Lesson 1: Solar System, Planets, Sun, Asteroid belt, Kuiper Belt and Oort Cloud 2 Astronomy Lesson 2: Meteorites, Shooting Stars, and Comets Astronomy Lesson 2 3 Astronomy Lesson 3: Eclipses Astronomy Lesson 3 4 Astronomy Lesson 4: Constellations, North Star, and South Star Astronomy Lesson 4: Constellations, North Star, and South Star 5 Astronomy Lesson 5: Constellation Legends Astronomy Lesson 5 6 Astronomy Lesson 6 Astronomy Lesson 6 Posted in Uncategorized.