Chapter 1. Charting The Heavens: The Foundations of Astronomy
1.1 Our Place in Space
1.2 Scientific Theory and the Scientific Method
1.3 The Obvious View
1.4 Earth's Orbital Motion
1.5 Astronomical Timekeeping
1.6 The Motion of the Moon
1.7 The Measurement of Distance
Chapter Review
Chapter 2. The Copernican Revolution: The Birth of Modern Science
2.1 Ancient Astronomy
2.2 The Geocentric Universe
2.3 The Heliocentric Model of the Solar System
2.4 The Birth of Modern Astronomy
2.5 The Laws of Planetary Motion
2.6 The Dimensions of the Solar System
2.7 Newton's Laws
2.8 Newtonian Mechanics
Chapter Review
Chapter 3. Radiation: Information from the Cosmos
3.1 Information from the Skies
3.2 Waves in What?
3.3 The Electromagnetic Spectrum
3.4 Thermal Radiation
3.5 The Doppler Effect
Chapter Review
Chapter 4. Spectroscopy: The Inner Workings of Atoms
4.1 Spectral Lines
4.2 Atoms and Radiation
4.3 The Formation of Spectral Lines
4.4 Molecules
4.5 Spectral-Line Analysis
Chapter Review
Chapter 5. Telescopes: The Tools of Astronomy
5.1 Optical Telescopes
5.2 Telescope Size
5.3 Images and Detectors
5.4 High-Resolution Astronomy
5.5 Radio Astronomy
5.6 Interferometry
5.7 Space-Based Astronomy
5.8 Full-Spectrum Coverage
Chapter Review
Chapter 16. The Sun: Our Parent Star
16.1 Physical Properties of the Sun
16.2 The Solar Interior
16.3 The Solar Atmosphere
16.4 Solar Magnetism
16.5 The Active Sun
16.6 The Heart of the Sun
16.7 Observations of Solar Neutrinos
Chapter Review
Chapter 17. Measuring the Stars: Giants, Dwarfs, and the Main Sequence
17.1 The Solar Neighborhood
17.2 Luminosity and Apparent Brightness
17.3 Stellar Temperatures
17.4 Stellar Sizes
17.5 The Hertzsprung-Russell Diagram
17.6 Extending the Cosmic Distance Scale
17.7 Stellar Masses
17.8 Mass and Other Stellar Properties
Chapter Review
Chapter 18. The Interstellar Medium: Gas and Dust Among the Stars
18.1 Interstellar Matter
18.2 Emission Nebulae
18.3 Dark Dust Clouds
18.4 21-Centimeter Radiation
18.5 Interstellar Molecules
Chapter Review
Chapter 19. Star Formation: A Traumatic Birth
19.1 Star-Forming Regions
19.2 The Formation of Stars Like the Sun
19.3 Stars of Other Masses
19.4 Observations of Cloud Fragments and Protostars
19.5 Shock Waves and Star Formation
19.6 Star Clusters
Chapter Review
Chapter 20. Stellar Evolution: The Life and Death of a Star
20.1 Leaving the Main Sequence
20.2 Evolution of a Sun-like Star
20.3 The Death of a Low-Mass Star
20.4 Evolution of Stars More Massive than the Sun
20.5 Observing Stellar Evolution in Star Clusters
20.6 Stellar Evolution in Binary Systems
Chapter Review
Chapter 21. Stellar Explosions: Novae, Supernovae, and the Formation of the Elements
21.1 Life after Death for White Dwarfs
21.2 The End of a High-Mass Star
21.3 Supernovae
21.4 The Formation of the Elements
21.5 The Cycle of Stellar Evolution
Chapter Review
Chapter 22. Neutron Stars and Black Holes: Strange States of Matter
22.1 Neutron Stars
22.2 Pulsars
22.3 Neutron-Star Binaries
22.4 Gamma-Ray Bursts
22.5 Black Holes
22.6 Einstein's Theories of Relativity
22.7 Space Travel Near Black Holes
22.8 Observational Evidence for Black Holes
Chapter Review
Part 4: Galaxies And Cosmology
Chapter 23. The Milky Way Galaxy: A Spiral in Space
23.1 Our Parent Galaxy
23.2 Measuring the Milky Way
23.3 Galactic Structure.
23.4 The Formation of the Milky Way
23.5 Galactic Spiral Arms
23.6 The Mass of the Milky Way Galaxy
23.7 The Galactic Center
Chapter Review
Chapter 24. Galaxies: Building Blocks of the Universe
24.1 Hubble's Galaxy Classification
24.2 The Distribution of Galaxies in Space
24.3 Hubble's Law
24.4 Active Galactic Nuclei
24.5 The Central Engine of an Active Galaxy
Chapter Review
Chapter 25. Galaxies and Dark Matter: The Large-Scale Structure of the Cosmos
25.1 Dark Matter in the Universe
25.2 Galaxy Collisions
25.3 Galaxy Formation and Evolution
25.4 Black Holes in Galaxies
25.5 The Universe on Large Scales
Chapter Review
Chapter 26. Cosmology: The Big Bang and the Fate of the Universe
26.1 The Universe on the Largest Scales
26.2 The Expanding Universe
26.3 The Fate of the Cosmos
26.4 The Geometry of Space
26.5 Will the Universe Expand Forever?
26.6 Dark Energy and Cosmology
26.7 The Cosmic Microwave Background
Chapter Review
Chapter 27. The Early Universe: Toward the Beginning of Time
27.1 Back to the Big Bang
27.2 The Evolution of the Universe
27.3 The Formation of Nuclei and Atoms
27.4 The Inflationary Universe
27.5 The Formation of Structure in the Universe
27.6 Cosmic Structure and the Microwave Background
Chapter Review
Chapter 28. Life In The Universe: Are We Alone?
28.1 Cosmic Evolution
28.2 Life in the Solar System
28.3 Intelligent Life in the Galaxy
28.4 The Search for Extraterrestrial Intelligence
Chapter Review
