This textbook offers a broad introduction to astronomy, covering the structure and scale of the universe, the history of astronomical discovery, the motions of celestial bodies, light and telescopes, ...This textbook offers a broad introduction to astronomy, covering the structure and scale of the universe, the history of astronomical discovery, the motions of celestial bodies, light and telescopes, the solar system, stars and their life cycles, galaxies, and modern cosmology. It blends scientific concepts with observational tools and recent discoveries to help students understand the universe and humanity’s place within it.