Welcome to SpaceBook - your textbook for everything in astronomy.
1. Finding Your Way Around the Sky
Learn how to navigate the night sky.
2. The Solar System
Learn about the planets in our solar system and how they formed.
3. Life Cycle of Stars
Learn about the lives of stars, and their use in measuring distances.
4. Exoplanets
Learn about extrasolar planets, and the methods used to find them.
5. Galaxies
Learn about galaxy types, what they contain, and their history of discovery.
6. Cosmology
Find out about the beginning, evolution, and future of the universe.
7. The Nature of Light
Discover how we learn about the universe through light.
8. Magnitudes & Measuring Distance
Discover key concepts for understanding distance and scale in the universe.
9. How Telescopes Work
Understand the capabilities and limitations of telescopes.
10. Astrobiology
Learn about life on Earth, and the possibilities for life elsewhere.