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Preface | p. v |
The Enigma of the Dark Night Sky | p. 1 |
Why is the sky dark at night? | p. 1 |
"By reason of distance" | p. 4 |
Island Universe | p. 5 |
Non-uniform sources | p. 6 |
Tired light | p. 9 |
Absorption | p. 10 |
Fractal Universe | p. 12 |
Finite age | p. 13 |
Dark stars | p. 16 |
Curvature | p. 17 |
Ether voids | p. 19 |
Insufficient energy | p. 20 |
Light-matter interconversion | p. 21 |
Cosmic expansion | p. 22 |
Olbers' paradox today | p. 25 |
The Intensity of Cosmic Background Light | p. 29 |
Bolometric intensity | p. 29 |
Time and redshift | p. 32 |
Matter, energy and expansion | p. 33 |
How important is expansion? | p. 37 |
Simple flat models | p. 39 |
Curved and multi-fluid models | p. 41 |
A bright sky at night? | p. 44 |
The Spectrum of Cosmic Background Light | p. 49 |
Spectral intensity | p. 49 |
Luminosity density | p. 52 |
The delta function | p. 54 |
The normal distribution | p. 58 |
The thermal spectrum | p. 59 |
The spectra of galaxies | p. 62 |
The light of the night sky | p. 65 |
R.I.P. Olbers' paradox | p. 69 |
Dark Cosmology | p. 73 |
The four dark elements | p. 73 |
Baryons | p. 76 |
Dark matter | p. 80 |
Neutrinos | p. 84 |
Dark energy | p. 86 |
Cosmological concordance | p. 88 |
The coincidental Universe | p. 94 |
The Radio and Microwave Backgrounds | p. 97 |
The cosmological "constant" | p. 97 |
The scalar field | p. 98 |
Decaying dark energy | p. 102 |
Energy density | p. 105 |
Source luminosity | p. 108 |
Bolometric intensity | p. 113 |
Spectral energy distribution | p. 114 |
Dark energy and the background light | p. 115 |
The Infrared and Visible Backgrounds | p. 119 |
Decaying axions | p. 119 |
Axion halos | p. 123 |
Bolometric intensity | p. 125 |
Axions and the background light | p. 127 |
The Ultraviolet Background | p. 133 |
Decaying neutrinos | p. 133 |
Neutrino halos | p. 135 |
Halo luminosity | p. 137 |
Free-streaming neutrinos | p. 140 |
Extinction by gas and dust | p. 141 |
Neutrinos and the background light | p. 145 |
The X-ray and Gamma-ray Backgrounds | p. 151 |
Weakly interacting massive particles | p. 151 |
Pair annihilation | p. 154 |
One-loop decay | p. 160 |
Tree-level decay | p. 162 |
Gravitinos | p. 166 |
WIMPs and the background light | p. 169 |
The High-Energy Gamma-ray Background | p. 175 |
Primordial black holes | p. 175 |
Evolution and density | p. 178 |
Spectral energy distribution | p. 181 |
Bolometric intensity | p. 184 |
Spectral intensity | p. 187 |
Higher dimensions | p. 191 |
The Universe Seen Darkly | p. 197 |
Bibliography | p. 203 |
Index | p. 217 |
Table of Contents provided by Ingram. All Rights Reserved. |
The New copy of this book will include any supplemental materials advertised. Please check the title of the book to determine if it should include any access cards, study guides, lab manuals, CDs, etc.
The Used, Rental and eBook copies of this book are not guaranteed to include any supplemental materials. Typically, only the book itself is included. This is true even if the title states it includes any access cards, study guides, lab manuals, CDs, etc.