Pathways to Astronomy

The textbook Pathways to Astronomy: 2025 Release divides introductory astronomy into 86 modular units. The text organizes core astronomical concepts into self-contained segments that readers can follow continuously from start to finish or explore in reordered sequences.

Broad thematic areas examine fundamental physical principles such as gravity and motion, the structure and origin of planetary systems, and the progression of stellar evolution across diverse stages.

The concise format of each unit helps students digest individual topics before moving forward. In addition, instructors can customize unit selections to balance lecture exploration with independent self-study based on course requirements.