1. Scale and History of the Universe

    1. Scale of Earth, Sun, Galaxy, and Universe
    2. Time Scale of the Cosmos
    3. Light and Fundamental Forces
    4. The Big Bang
    5. Expansion of the Universe

  2. Stars, Black Holes, and Galaxies

    1. Life and Death of Stars
    2. Quasars and Galactive Collisions
    3. Stellar Parallax
    4. Cepheid Variables
    5. Our Galaxy: The Milky Way

  3. Our Solar System

    1. The Sun
    2. The Planets
    3. Our Moon
    4. Components of the Solar System
    5. The Earth

  4. Exploration of Space

    1. Space Travel History
    2. Rockets, Satellites, and Spaceships
    3. Future of Space Travel
    4. Space Missions

  5. Introduction to Astronomy

    1. History of Astronomy
    2. Models of the Solar System
    3. History of the Telescope
    4. Astronomy Basics