## An Introduction to Modern Cosmology
This fully revised edition of a bestseller takes an approachwhich is grounded in physics with a logical flow of chaptersleading the reader from basic ideas of the expansion described bythe Friedman equations to some of the more advanced ideas about theearly universe. It also incorporates up-to-date results from the Cosmology is now part of the core in many degree programs. Thiscurrent, clear and concise introductory text is relevant to a widerange of astronomy programs worldwide and is essential reading forundergraduates and Masters students, as well as anyone startingresearch in cosmology. Supplementary material, includingfull-colour images, updates and links for students and instructors,is available on the author’s website: ahref="http://www.roe.ac.uk/~arl/"http://www.roe.ac.uk/~arl//a. |

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### Contents

49 | |

55 | |

The Age of the Universe | 61 |

The Density of the Universe and Dark Matter | 67 |

The Cosmic Microwave Background | 77 |

The Early Universe | 87 |

The Origin of the Light Elements | 93 |

The Inflationary Universe | 101 |

Advanced Topic 3 Neutrino Cosmology | 139 |

Advanced Topic 4 Baryogenesis | 145 |

Advanced Topic 6 Constraining cosmological models | 163 |

Bibliography | 171 |

177 | |

Constants conversion factors and symbols | xiv |

Newtonian Gravity | 21 |

The Geometry of the Universe | 29 |

The Initial Singularity | 113 |

Advanced Topic 1 General Relativistic Cosmology | 121 |

Distances and Luminosities | 127 |

Simple Cosmological Models | 37 |