Frontmatter

Frontmatter Introduction

Contents Overview

Contents

Preface

About the Authors

Part I. Understanding Astronomy

Part I

Chapter 1. Discovering the Night Sky

Chapter Introduction

Scales of the Universe

Patterns of Stars

Earthly Cycles

Eclipses

Summary of Key Ideas

Key Terms for Review

Chapter 2. Gravitation and the Motion of the Planets

Chapter Introduction

Science: Key to Comprehending the Cosmos

Changing our Earth-Centered View of the Universe

Kepler’s and Newton’s Laws

Summary of Key Ideas

Key Terms for Review

Chapter 3. Light and Telescopes

Chapter Introduction

The Nature of Light

Optics and Telescopes

Nonoptical Astronomy

Summary of Key Ideas

Key Terms for Review

Chapter 4. Atomic Physics and Spectra

Chapter Introduction

Blackbody Radiation

Identifying the Elements by Analyzing their Unique Spectra

Atoms and Spectra

Summary of Key Ideas

Key Terms for Review

Part II. Understanding the Solar System

Part II

Chapter 5. Formation of the Solar System and Other Planetary Systems

Chapter Introduction

The Solar System Contains Heavy Elements, Formed From an Earlier Generation of Stars

Comparative Planetology

Exoplanets—Planets Outside Our Solar System

Summary of Key Ideas

Key Terms for Review

Chapter 6. Earth and the Moon

Chapter Introduction

Earth: A Dynamic, Vital World

The Moon and Tides

Summary of Key Ideas

Key Terms for Review

Chapter 7. The Other Terrestrial Planets

Chapter Introduction

Mercury

Venus

Mars

Comparative Planetology of the Inner Planets

Summary of Key Ideas

Key Terms for Review

Chapter 8. The Outer Planets

Chapter Introduction

Jupiter

Jupiter’s Moons and Rings

Saturn

Uranus

Neptune

Comparative Planetology of the Outer Planets

Summary of Key Ideas

Key Terms for Review

Chapter 9. Vagabonds of the Solar System

Chapter Introduction

Dwarf Planets

Small Solar System Bodies

Asteroids

Comets

Meteoroids, Meteors, and Meteorites

Summary of Key Ideas

Key Terms for Review

Chapter 10. The Sun: Our Extraordinary Ordinary Star

Chapter Introduction

The Sun’s Atmosphere

The Active Sun

The Sun’s Interior

Summary of Key Ideas

Key Terms for Review

Part III. Understanding the Stars

Part III

Chapter 11. Characterizing Stars

Chapter Introduction

Magnitude Scales

The Temperatures of Stars

Types of Stars

Stellar Masses

Summary of Key Ideas

Key Terms for Review

Chapter 12. The Lives of Stars from Birth Through Middle Age

Chapter Introduction

Protostars and Pre–Main-Sequence Stars

Main-Sequence and Giant Stars

Evolution of Stars with Masses Between 0.08 M and 0.4 M

Early and Middle Evolution of Stars with more than 0.4 M

Variable Stars

Summary of Key Ideas

Key Terms for Review

Chapter 13. The Deaths of Stars

Chapter Introduction

Low-Mass (0.4 M–8 M) Stars and Planetary Nebulae

High-Mass (Greater than 8 M) Stars and Type II Supernovae

Neutron Stars and Pulsars

Summary of Key Ideas

Key Terms for Review

Chapter 14. Black Holes: Matters of Gravity

Chapter Introduction

The Relativity Theories

Inside a Black Hole

Evidence for Black Holes

Gamma-Ray Bursts

Summary of Key Ideas

Key Terms for Review

Chapter Part IV. Understanding the Universe

Part IV

Chapter 15. The Milky Way Galaxy

Chapter Introduction

Defining the Milky Way

The Structure of Our Galaxy and Our Place In It

Mysteries at The Galactic Fringes

Summary of Key Ideas

Key Terms for Review

Chapter 16. Galaxies

Chapter Introduction

Types of Galaxies

Clusters and Superclusters

Superclusters in Motion

Summary of Key Ideas

Key Terms for Review

Chapter 17. Quasars and Other Active Galaxies

Chapter Introduction

Quasars

Other Active Galaxies

Supermassive Engines

Summary of Key Ideas

Key Terms for Review

Chapter 18. Cosmology

Chapter Introduction

The Big Bang

A Brief History of Spacetime, Matter, Energy, and Everything

The Fate of the Universe

Summary of Key Ideas

Key Terms for Review

Chapter 19. Astrobiology

Chapter Introduction

Astrobiology connects the cosmos and the origins of life

The existence of life depends on chemical and physical properties of matter

Evidence is mounting that life might exist elsewhere in our solar system

Searches for advanced civilizations try to detect their radio signals

The Drake equation: How many civilizations are likely to exist in the Milky Way?

Humans have been sending signals into space for more than a century

Frontiers yet to be discovered

Summary of Key Ideas

Key Terms for Review

APPENDICES

Appendix A: Powers-of-Ten Notation

Appendix B: Guidelines for Solving Math Problems and Reading Graphs

Appendix C: Key Formulas

Appendix D: Temperature Scales

Appendix E: Data Tables

Appendix F: Periodic Table of The Elements

Appendix G: Largest Optical Telescopes in The World

Appendix H: Buying A Telescope

ANSWERS TO COMPUTATIONAL, GOT IT?, AND SELECT MARGIN QUESTIONS

ANSWERS TO COMPUTATIONAL, GOT IT?, AND SELECT MARGIN QUESTIONS

Starcharts

Starcharts

INDEX

Index Introduction