Lessons

Pick a unit to start. Lessons within each unit build in order.

• Unit 1: Our Night Sky

  Night Sky Plaza. What you can see overhead, how the sky seems to move, and how to find your way around it.

  Coming Soon · 6 topics
• Unit 2: The Sun, Earth and Moon

  Sun-Earth-Moon Station. Day, night, seasons, moon phases, eclipses and tides.

  Coming Soon · 7 topics
• Unit 3: Early Astronomers and Telescopes

  Observatory of the Ancients. Standard 3: the people who looked up first, and how their ideas changed over time.

  Coming Soon · 8 topics
• Unit 4: The Solar System

  Solar System Highway. Standard 2: the Sun, the planets, the small bodies, and the gravity that holds it together.

  Coming Soon · 9 topics
• Unit 5: Stars and Their Life Cycles

  The Star Forge. Standard 1: mass, gravity and fusion in the life cycle of stars.

  Coming Soon · 8 topics
• Unit 6: Galaxies

  Galaxy Gardens. Standard 2: the Milky Way and the many kinds of galaxies beyond it.

  Coming Soon · 5 topics
• Unit 7: The Universe

  The Cosmos. Standard 2: how we measure the universe, what we think it is doing, and the big questions.

  Coming Soon · 5 topics
• Unit 8: Exploring Space

  Space Port. Rockets, the Apollo program, space stations, probes, exoplanets and the search for life.

  Coming Soon · 8 topics