PART I

DEVELOPING PERSPECTIVE

1 Our Place in the Universe

1.1 Our Modern View of the Universe

1.2 The Scale of the Universe

1.3 Spaceship Earth

1.4 The Human Adventure of Astronomy

2 Discovering the Universe for Yourself

2.1 Patterns in the Night Sky

2.2 The Reason for Seasons

2.3 The Moon, Our Constant Companion

2.4 The Ancient Mystery of the Planets

3 The Science of Astronomy

3.1 The Ancient Roots of Science

3.2 Ancient Greek Science

3.3 The Copernican Revolution

3.4 The Nature of Science

3.5 Astrology

S1 Celestial Timekeeping and Navigation

S1.1 Astronomical Time Periods

S1.2 Celestial Coordinates and Motion in the Sky

S1.3 Principles of Celestial Navigation

PA R T I I

KEY CONCEPTS FOR ASTRONOMY

4 Making Sense of the Universe: Understanding Motion, Energy, and Gravity

4.1 Describing Motion: Examples from Daily Life

4.2 Newton's Laws of Motion

4.3 Conservation Laws in Astronomy

4.4 The Universal Law of Gravitation

4.5 Orbits, Tides, and the Acceleration of Gravity

5 Light and Matter: Reading Messages from the Cosmos

5.1 Light in Everyday Life

5.2 Properties of Light

5.3 Properties of Matter

5.4 Learning from Light

5.5 The Doppler Shift

6 Telescopes: Portals of Discovery

6.1 Eyes and Cameras: Everyday Light Sensors

6.2 Telescopes: Giant Eyes

6.3 Telescopes and the Atmosphere

6.4 Telescopes And Technology

PA R T I I I

LEARNING FROM OTHER WORLDS

7 Our Planetary System

7.1 Studying the Solar System

7.2 Patterns in the Solar System

7.3 Spacecraft Exploration of the Solar System

8 Formation of the Solar System

8.1 The Search for Origins

8.2 The Birth of the Solar System

8.3 The Formation of Planets

8.4 The Aftermath of Planet Formation

8.5 The Age of the Solar System

9 Planetary Geology: Earth and the Other Terrestrial Worlds

9.1 Connecting Planetary Interiors and Surfaces

9.2 Shaping Planetary Surfaces

9.3 Geology of the Moon and Mercury

9.4 Geology of Mars

9.5 Geology of Venus

9.6 The Unique Geology of Earth

10 Planetary Atmospheres: Earth and the Other Terrestrial Worlds

10.1 Atmospheric Basics

10.2 Weather and Climate

10.3 Atmospheres of the Moon and Mercury

10.4 The Atmospheric History of Mars

10.5 The Atmospheric History of Venus

10.6 Earth's Unique Atmosphere

11 Jovian Planet Systems

11.1 A Different Kind of Planet

11.2 A Wealth of Worlds: Satellites of Ice and Rock

11.3 Jovian Planet Rings

12 Remnants of Rock and Ice: Asteroids, Comets, and the Kuiper Belt

12.1 Asteroids and Meteorites

12.2 Comets

12.3 Pluto: Lone Dog No More

12.4 Cosmic Collisions: Small Bodies Versus the Planets

13 Other Planetary Systems: The New Science of Distant Worlds

13.1 Detecting Extrasolar Planets

13.2 The Nature of Extrasolar Planets

13.3 The Formation of Other Solar Systems

13.4 Finding New Worlds

STARS

14 Our Star

14.1 A Closer Look at the Sun

14.2 The Cosmic Crucible

14.3 The Sun-Earth Connection

LIFE ON EARTH AND BEYOND

24 Life in the Universe

24.1 Life on Earth

24.2 Life in the Solar System

24.3 Life Around other Stars

24.4 The Search for Extraterrestrial Intelligence

24.5 Interstellar Travel and Its Implications to Civilization