Unit 1: Astronomy in Civilization
Unit 3: Our Place in Space
Unit 4: Moon in the Earth-Moon-Sun-System
Unit 5: Reason for the Seasons
Unit 6: Planets Orbit Around the Sun
Unit 7: Role of the Sun as a Star
Unit 8: Characteristics and Life Cycle of Stars
Unit 9: Varieties and Properties of Galaxies
Unit 10: Scientific Theories of Cosmology
Unit 11: Space Exploration