《Introduction to Cosmology（2nd Edition）（宇宙学导论 第二版）（影印版）》讲解了现代宇宙学的基本概念，包括广义相对论、大爆炸宇宙学、暴胀理论、暗能量等等。本书的写法深入浅出，既介绍了宇宙的基本性质，又讲解了背后深刻的物理。本书的前一版广受好评，还获得了一些奖项的肯定。本书的第二版对于狭义和广义相对论的介绍作了加强，并且包括了很多新的观测和理论研究，比如关于暗能量的研究成果。特别地，还增加了全新的一章来讨论重子物质。本书适合物理学及天文学领域的研究生和高年级本科生阅读，也适用于科研工作者参考。

Preface page xi1 Introduction 12 Fundamental Observations 62.1 The Night Sky is Dark 62.2 The Universe is Isotropic and Homogeneous 92.3 Redshift is Proportional to Distance 122.4 Different Types of Particles 182.5 Cosmic Microwave Background 23Exercises 253 Newton versus Einstein 273.1 The Way of Newton 283.2 The Spe Way of Einstein 293.3 The General Way of Einstein 343.4 Describing Curvature 373.5 The Robertson–Walker Metric 413.6 Proper Distance 43Exercises 474 Cosmic Dynamics 494.1 Einstein’s Field Equation 504.2 The Friedmann Equation 524.3 The Fluid and Acceleration Equations 584.4 Equations of State 604.5 Learning to Love Lambda 63Exercises 675 Model Universes 695.1 Evolution of Energy Density 695.2 Empty Universes 745.3 Single-component Universes 775.3.1 Matter only 805.3.2 Radiation only 815.3.3 Lambda only 835.4 Multiple-component Universes 845.4.1 Matter + Curvature 865.4.2 Matter + Lambda 905.4.3 Matter + Curvature + Lambda 925.4.4 Radiation + Matter 955.5 Benchmark Model 96Exercises 1006 Measuring Cosmological Parameters 1026.1 “A Search for Two Numbers” 1026.2 Luminosity Distance 1066.3 Angular-diameter Distance 1106.4 Standard Candles and H0 1146.5 Standard Candles and Acceleration 116Exercises 1217 Dark Matter 1237.1 Visible Matter 1237.2 Dark Matter in Galaxies 1287.3 Dark Matter in Clusters 1307.4 Gravitational Lensing 1357.5 What’s the Matter? 139Exercises 1408 The Cosmic Microwave Background 1428.1 Observing the CMB 1438.2 Recombination and Decoupling 1478.3 The Physics of Recombination 1508.4 Temperature Fluctuations 1578.5 What Causes the Fluctuations? 159Exercises 1649 Nucleosynthesis and the Early Universe 1669.1 Nuclear Physics and Cosmology 1679.2 Neutrons and Protons 1699.3 Deuterium Synthesis 1749.4 Beyond Deuterium 1779.5 Baryon–Antibaryon Asymmetry 181Exercises 18310 Inflation and the Very Early Universe 18510.1 The Flatness Problem 18610.2 The Horizon Problem 18710.3 The Monopole Problem 18910.4 The Inflation Solution 19210.5 The Physics of Inflation 197Exercises 20211 Structure Formation: Gravitational Instability 20411.1 The Matthew Effect 20611.2 The Jeans Length 20911.3 Instability in an Expanding Universe 21311.4 The Power Spectrum 21711.5 Hot versus Cold 22111.6 Baryon Acoustic Oscillations 226Exercises 23012 Structure Formation: Baryons and Photons 23212.1 Baryonic Matter Today 23312.2 Reionization of Hydrogen 23512.3 The First Stars and Quasars 23812.4 Making Galaxies 24212.5 Making Stars 248Exercises 254Epilogue 256Table of Useful Constants 258Index 259

    （美）芭芭拉·赖登（Barbara Ryden），美国俄亥俄州立大学教授。1987年于普林斯顿大学获得博士学位。从教二十多年，授课内容从本科低年级直至研究生高年级。一直从事天体物理研究。