An Introduction to Astronomy

Comprehensive university textbook covering the full astronomy curriculum, from the night sky and the solar system to galaxies and cosmology. Includes diagrams, exercises, and contributions from NASA and SETI scientists.

Andrew Fraknoi, David Morrison and Sidney C. Wolff

Modular OER textbook organized into 13 learning modules, from constellations and historical astronomy to galaxies and the Big Bang. Includes self-check questions and student-friendly explanations.

Florida State College at Jacksonville

International Astronomical Union literacy framework presenting eleven big ideas that define what every educated person should know about astronomy, from the scale of the Universe to humanity place within it.

International Astronomical Union