The light/dark universe :: light from galaxies, dark matter and dark energy /
To the eyes of the average person and the trained scientist, the night sky is dark, even though the universe is populated by myriads of bright galaxies. Why this happens is a question commonly called Olbers' Paradox, and dates from at least 1823. How dark is the night sky is a question which pr...
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| Format: | Elektronisch E-Book |
| Sprache: | English |
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Singapore ; Hackensack, N.J. :
World Scientific Pub. Co.,
©2008.
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| Online-Zugang: | Volltext |
| Zusammenfassung: | To the eyes of the average person and the trained scientist, the night sky is dark, even though the universe is populated by myriads of bright galaxies. Why this happens is a question commonly called Olbers' Paradox, and dates from at least 1823. How dark is the night sky is a question which preoccupies astrophysicists at the present. The answer to both questions tells us about the origin of the universe and the nature of its contents - luminous galaxies like the Milky Way, plus the dark matter between them and the mysterious dark energy which appears to be pushing everything apart. In this book, the fascinating history of Olbers' Paradox is reviewed, and the intricate physics of the light/dark universe is examined in detail. The fact that the night sky is dark (a basic astronomical observation that anybody can make) turns out to be connected with the finite age of the universe, thereby confirming some event like the Big Bang. But the space between the galaxies is not perfectly black, and data on its murkiness at various wavelengths can be used to constrain and identify its unseen constituents. |
| Beschreibung: | 1 online resource (ix, 225 pages :) |
| Bibliographie: | Includes bibliographical references (pages 203-216) and index. |
| ISBN: | 9789812834423 9812834427 |
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| 100 | 1 | |a Overduin, J. M. |q (James Martin), |d 1965- |1 https://id.oclc.org/worldcat/entity/E39PCjFyTqBjWCYd3H3WWh4Hyb |0 http://id.loc.gov/authorities/names/nr2003016347 | |
| 245 | 1 | 4 | |a The light/dark universe : |b light from galaxies, dark matter and dark energy / |c James M. Overduin, Paul S. Wesson. |
| 260 | |a Singapore ; |a Hackensack, N.J. : |b World Scientific Pub. Co., |c ©2008. | ||
| 300 | |a 1 online resource (ix, 225 pages :) | ||
| 336 | |a text |b txt |2 rdacontent | ||
| 337 | |a computer |b c |2 rdamedia | ||
| 338 | |a online resource |b cr |2 rdacarrier | ||
| 504 | |a Includes bibliographical references (pages 203-216) and index. | ||
| 505 | 0 | |a 1. The enigma of the dark night sky. 1.1. Why is the sky dark at night? 1.2. "By reason of distance". 1.3. Island Universe. 1.4. Non-uniform sources. 1.5. Tired light. 1.6. Absorption. 1.7. Fractal Universe. 1.8. Finite age. 1.9. Dark stars. 1.10. Curvature. 1.11. Ether voids. 1.12. Insufficient energy. 1.13. Light-matter interconversion. 1.14. Cosmic expansion. 1.15. Olbers' paradox today -- 2. The intensity of cosmic background light. 2.1. Bolometric intensity. 2.2. Time and redshift. 2.3. Matter, energy and expansion. 2.4. How important is expansion?. 2.5. Simple flat models. 2.6. Curved and multi-fluid models. 2.7. A bright sky at night? -- 3. The spectrum of cosmic background light. 3.1. Spectral intensity. 3.2. Luminosity density. 3.3. The delta function. 3.4. The normal distribution. 3.5. The thermal spectrum. 3.6. The spectra of galaxies. 3.7. The light of the night sky. 3.8. R.I.P. Olbers' paradox -- 4. Dark cosmology. 4.1. The four dark elements. 4.2. Baryons. 4.3. Dark matter. 4.4. Neutrinos. 4.5. Dark energy. 4.6. Cosmological concordance. 4.7. The coincidental Universe -- 5. The radio and microwave backgrounds. 5.1. The cosmological "constant". 5.2. The scalar field. 5.3. Decaying dark energy. 5.4. Energy density. 5.5. Source luminosity. 5.6. Bolometric intensity. 5.7. Spectral energy distribution. 5.8. Dark energy and the background light -- 6. The infrared and visible backgrounds. 6.1. Decaying axions. 6.2. Axion halos. 6.3. Bolometric intensity. 6.4. Axions and the background light -- 7. The ultraviolet background. 7.1. Decaying neutrinos. 7.2. Neutrino halos. 7.3. Halo luminosity. 7.4. Free-streaming neutrinos. 7.5. Extinction by gas and dust. 7.6. Neutrinos and the background light -- 8. The x-ray and gamma-ray backgrounds. 8.1. Weakly interacting massive particles. 8.2. Pair annihilation. 8.3. One-loop decay. 8.4. Tree-level decay. 8.5. Gravitinos. 8.6. WIMPs and the background light -- 9. The high-energy gamma-ray background. 9.1. Primordial black holes. 9.2. Evolution and density. 9.3. Spectral energy distribution. 9.4. Bolometric intensity. 9.5. Spectral intensity. 9.6. Higher dimensions -- 10. The universe seen darkly. | |
| 520 | |a To the eyes of the average person and the trained scientist, the night sky is dark, even though the universe is populated by myriads of bright galaxies. Why this happens is a question commonly called Olbers' Paradox, and dates from at least 1823. How dark is the night sky is a question which preoccupies astrophysicists at the present. The answer to both questions tells us about the origin of the universe and the nature of its contents - luminous galaxies like the Milky Way, plus the dark matter between them and the mysterious dark energy which appears to be pushing everything apart. In this book, the fascinating history of Olbers' Paradox is reviewed, and the intricate physics of the light/dark universe is examined in detail. The fact that the night sky is dark (a basic astronomical observation that anybody can make) turns out to be connected with the finite age of the universe, thereby confirming some event like the Big Bang. But the space between the galaxies is not perfectly black, and data on its murkiness at various wavelengths can be used to constrain and identify its unseen constituents. | ||
| 650 | 0 | |a Olbers' paradox. |0 http://id.loc.gov/authorities/subjects/sh85094504 | |
| 650 | 0 | |a Dark matter (Astronomy) |0 http://id.loc.gov/authorities/subjects/sh87007317 | |
| 650 | 0 | |a Dark energy (Astronomy) |0 http://id.loc.gov/authorities/subjects/sh2001002908 | |
| 650 | 0 | |a Galaxies |x Spectra. |0 http://id.loc.gov/authorities/subjects/sh85052768 | |
| 650 | 0 | |a Cosmology. |0 http://id.loc.gov/authorities/subjects/sh85033169 | |
| 650 | 6 | |a Paradoxe d'Olbers. | |
| 650 | 6 | |a Matière sombre (Astronomie) | |
| 650 | 6 | |a Énergie sombre (Astronomie) | |
| 650 | 6 | |a Cosmologie. | |
| 650 | 7 | |a cosmology. |2 aat | |
| 650 | 7 | |a SCIENCE |x Astronomy. |2 bisacsh | |
| 650 | 7 | |a Cosmology |2 fast | |
| 650 | 7 | |a Dark energy (Astronomy) |2 fast | |
| 650 | 7 | |a Dark matter (Astronomy) |2 fast | |
| 650 | 7 | |a Galaxies |x Spectra |2 fast | |
| 650 | 7 | |a Olbers' paradox |2 fast | |
| 700 | 1 | |a Wesson, Paul S. | |
| 710 | 2 | |a World Scientific (Firm) |0 http://id.loc.gov/authorities/names/no2001005546 | |
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| author | Overduin, J. M. (James Martin), 1965- |
| author2 | Wesson, Paul S. |
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| author_GND | http://id.loc.gov/authorities/names/nr2003016347 |
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| contents | 1. The enigma of the dark night sky. 1.1. Why is the sky dark at night? 1.2. "By reason of distance". 1.3. Island Universe. 1.4. Non-uniform sources. 1.5. Tired light. 1.6. Absorption. 1.7. Fractal Universe. 1.8. Finite age. 1.9. Dark stars. 1.10. Curvature. 1.11. Ether voids. 1.12. Insufficient energy. 1.13. Light-matter interconversion. 1.14. Cosmic expansion. 1.15. Olbers' paradox today -- 2. The intensity of cosmic background light. 2.1. Bolometric intensity. 2.2. Time and redshift. 2.3. Matter, energy and expansion. 2.4. How important is expansion?. 2.5. Simple flat models. 2.6. Curved and multi-fluid models. 2.7. A bright sky at night? -- 3. The spectrum of cosmic background light. 3.1. Spectral intensity. 3.2. Luminosity density. 3.3. The delta function. 3.4. The normal distribution. 3.5. The thermal spectrum. 3.6. The spectra of galaxies. 3.7. The light of the night sky. 3.8. R.I.P. Olbers' paradox -- 4. Dark cosmology. 4.1. The four dark elements. 4.2. Baryons. 4.3. Dark matter. 4.4. Neutrinos. 4.5. Dark energy. 4.6. Cosmological concordance. 4.7. The coincidental Universe -- 5. The radio and microwave backgrounds. 5.1. The cosmological "constant". 5.2. The scalar field. 5.3. Decaying dark energy. 5.4. Energy density. 5.5. Source luminosity. 5.6. Bolometric intensity. 5.7. Spectral energy distribution. 5.8. Dark energy and the background light -- 6. The infrared and visible backgrounds. 6.1. Decaying axions. 6.2. Axion halos. 6.3. Bolometric intensity. 6.4. Axions and the background light -- 7. The ultraviolet background. 7.1. Decaying neutrinos. 7.2. Neutrino halos. 7.3. Halo luminosity. 7.4. Free-streaming neutrinos. 7.5. Extinction by gas and dust. 7.6. Neutrinos and the background light -- 8. The x-ray and gamma-ray backgrounds. 8.1. Weakly interacting massive particles. 8.2. Pair annihilation. 8.3. One-loop decay. 8.4. Tree-level decay. 8.5. Gravitinos. 8.6. WIMPs and the background light -- 9. The high-energy gamma-ray background. 9.1. Primordial black holes. 9.2. Evolution and density. 9.3. Spectral energy distribution. 9.4. Bolometric intensity. 9.5. Spectral intensity. 9.6. Higher dimensions -- 10. The universe seen darkly. |
| ctrlnum | (OCoLC)747539692 |
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| dewey-ones | 523 - Specific celestial bodies and phenomena |
| dewey-raw | 523 |
| dewey-search | 523 |
| dewey-sort | 3523 |
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| discipline | Physik |
| format | Electronic eBook |
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Spectral intensity. 9.6. Higher dimensions -- 10. The universe seen darkly.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">To the eyes of the average person and the trained scientist, the night sky is dark, even though the universe is populated by myriads of bright galaxies. Why this happens is a question commonly called Olbers' Paradox, and dates from at least 1823. How dark is the night sky is a question which preoccupies astrophysicists at the present. The answer to both questions tells us about the origin of the universe and the nature of its contents - luminous galaxies like the Milky Way, plus the dark matter between them and the mysterious dark energy which appears to be pushing everything apart. In this book, the fascinating history of Olbers' Paradox is reviewed, and the intricate physics of the light/dark universe is examined in detail. The fact that the night sky is dark (a basic astronomical observation that anybody can make) turns out to be connected with the finite age of the universe, thereby confirming some event like the Big Bang. 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| id | ZDB-4-EBA-ocn747539692 |
| illustrated | Illustrated |
| indexdate | 2024-10-25T16:18:14Z |
| institution | BVB |
| institution_GND | http://id.loc.gov/authorities/names/no2001005546 |
| isbn | 9789812834423 9812834427 |
| language | English |
| oclc_num | 747539692 |
| open_access_boolean | |
| owner | MAIN |
| owner_facet | MAIN |
| physical | 1 online resource (ix, 225 pages :) |
| psigel | ZDB-4-EBA |
| publishDate | 2008 |
| publishDateSearch | 2008 |
| publishDateSort | 2008 |
| publisher | World Scientific Pub. Co., |
| record_format | marc |
| spelling | Overduin, J. M. (James Martin), 1965- https://id.oclc.org/worldcat/entity/E39PCjFyTqBjWCYd3H3WWh4Hyb http://id.loc.gov/authorities/names/nr2003016347 The light/dark universe : light from galaxies, dark matter and dark energy / James M. Overduin, Paul S. Wesson. Singapore ; Hackensack, N.J. : World Scientific Pub. Co., ©2008. 1 online resource (ix, 225 pages :) text txt rdacontent computer c rdamedia online resource cr rdacarrier Includes bibliographical references (pages 203-216) and index. 1. The enigma of the dark night sky. 1.1. Why is the sky dark at night? 1.2. "By reason of distance". 1.3. Island Universe. 1.4. Non-uniform sources. 1.5. Tired light. 1.6. Absorption. 1.7. Fractal Universe. 1.8. Finite age. 1.9. Dark stars. 1.10. Curvature. 1.11. Ether voids. 1.12. Insufficient energy. 1.13. Light-matter interconversion. 1.14. Cosmic expansion. 1.15. Olbers' paradox today -- 2. The intensity of cosmic background light. 2.1. Bolometric intensity. 2.2. Time and redshift. 2.3. Matter, energy and expansion. 2.4. How important is expansion?. 2.5. Simple flat models. 2.6. Curved and multi-fluid models. 2.7. A bright sky at night? -- 3. The spectrum of cosmic background light. 3.1. Spectral intensity. 3.2. Luminosity density. 3.3. The delta function. 3.4. The normal distribution. 3.5. The thermal spectrum. 3.6. The spectra of galaxies. 3.7. The light of the night sky. 3.8. R.I.P. Olbers' paradox -- 4. Dark cosmology. 4.1. The four dark elements. 4.2. Baryons. 4.3. Dark matter. 4.4. Neutrinos. 4.5. Dark energy. 4.6. Cosmological concordance. 4.7. The coincidental Universe -- 5. The radio and microwave backgrounds. 5.1. The cosmological "constant". 5.2. The scalar field. 5.3. Decaying dark energy. 5.4. Energy density. 5.5. Source luminosity. 5.6. Bolometric intensity. 5.7. Spectral energy distribution. 5.8. Dark energy and the background light -- 6. The infrared and visible backgrounds. 6.1. Decaying axions. 6.2. Axion halos. 6.3. Bolometric intensity. 6.4. Axions and the background light -- 7. The ultraviolet background. 7.1. Decaying neutrinos. 7.2. Neutrino halos. 7.3. Halo luminosity. 7.4. Free-streaming neutrinos. 7.5. Extinction by gas and dust. 7.6. Neutrinos and the background light -- 8. The x-ray and gamma-ray backgrounds. 8.1. Weakly interacting massive particles. 8.2. Pair annihilation. 8.3. One-loop decay. 8.4. Tree-level decay. 8.5. Gravitinos. 8.6. WIMPs and the background light -- 9. The high-energy gamma-ray background. 9.1. Primordial black holes. 9.2. Evolution and density. 9.3. Spectral energy distribution. 9.4. Bolometric intensity. 9.5. Spectral intensity. 9.6. Higher dimensions -- 10. The universe seen darkly. To the eyes of the average person and the trained scientist, the night sky is dark, even though the universe is populated by myriads of bright galaxies. Why this happens is a question commonly called Olbers' Paradox, and dates from at least 1823. How dark is the night sky is a question which preoccupies astrophysicists at the present. The answer to both questions tells us about the origin of the universe and the nature of its contents - luminous galaxies like the Milky Way, plus the dark matter between them and the mysterious dark energy which appears to be pushing everything apart. In this book, the fascinating history of Olbers' Paradox is reviewed, and the intricate physics of the light/dark universe is examined in detail. The fact that the night sky is dark (a basic astronomical observation that anybody can make) turns out to be connected with the finite age of the universe, thereby confirming some event like the Big Bang. But the space between the galaxies is not perfectly black, and data on its murkiness at various wavelengths can be used to constrain and identify its unseen constituents. Olbers' paradox. http://id.loc.gov/authorities/subjects/sh85094504 Dark matter (Astronomy) http://id.loc.gov/authorities/subjects/sh87007317 Dark energy (Astronomy) http://id.loc.gov/authorities/subjects/sh2001002908 Galaxies Spectra. http://id.loc.gov/authorities/subjects/sh85052768 Cosmology. http://id.loc.gov/authorities/subjects/sh85033169 Paradoxe d'Olbers. Matière sombre (Astronomie) Énergie sombre (Astronomie) Cosmologie. cosmology. aat SCIENCE Astronomy. bisacsh Cosmology fast Dark energy (Astronomy) fast Dark matter (Astronomy) fast Galaxies Spectra fast Olbers' paradox fast Wesson, Paul S. World Scientific (Firm) http://id.loc.gov/authorities/names/no2001005546 has work: The light/dark universe (Text) https://id.oclc.org/worldcat/entity/E39PCG9XJrwwqJMTP7MvKggvgX https://id.oclc.org/worldcat/ontology/hasWork FWS01 ZDB-4-EBA FWS_PDA_EBA https://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&AN=521193 Volltext CBO01 ZDB-4-EBA FWS_PDA_EBA https://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&AN=521193 Volltext |
| spellingShingle | Overduin, J. M. (James Martin), 1965- The light/dark universe : light from galaxies, dark matter and dark energy / 1. The enigma of the dark night sky. 1.1. Why is the sky dark at night? 1.2. "By reason of distance". 1.3. Island Universe. 1.4. Non-uniform sources. 1.5. Tired light. 1.6. Absorption. 1.7. Fractal Universe. 1.8. Finite age. 1.9. Dark stars. 1.10. Curvature. 1.11. Ether voids. 1.12. Insufficient energy. 1.13. Light-matter interconversion. 1.14. Cosmic expansion. 1.15. Olbers' paradox today -- 2. The intensity of cosmic background light. 2.1. Bolometric intensity. 2.2. Time and redshift. 2.3. Matter, energy and expansion. 2.4. How important is expansion?. 2.5. Simple flat models. 2.6. Curved and multi-fluid models. 2.7. A bright sky at night? -- 3. The spectrum of cosmic background light. 3.1. Spectral intensity. 3.2. Luminosity density. 3.3. The delta function. 3.4. The normal distribution. 3.5. The thermal spectrum. 3.6. The spectra of galaxies. 3.7. The light of the night sky. 3.8. R.I.P. Olbers' paradox -- 4. Dark cosmology. 4.1. The four dark elements. 4.2. Baryons. 4.3. Dark matter. 4.4. Neutrinos. 4.5. Dark energy. 4.6. Cosmological concordance. 4.7. The coincidental Universe -- 5. The radio and microwave backgrounds. 5.1. The cosmological "constant". 5.2. The scalar field. 5.3. Decaying dark energy. 5.4. Energy density. 5.5. Source luminosity. 5.6. Bolometric intensity. 5.7. Spectral energy distribution. 5.8. Dark energy and the background light -- 6. The infrared and visible backgrounds. 6.1. Decaying axions. 6.2. Axion halos. 6.3. Bolometric intensity. 6.4. Axions and the background light -- 7. The ultraviolet background. 7.1. Decaying neutrinos. 7.2. Neutrino halos. 7.3. Halo luminosity. 7.4. Free-streaming neutrinos. 7.5. Extinction by gas and dust. 7.6. Neutrinos and the background light -- 8. The x-ray and gamma-ray backgrounds. 8.1. Weakly interacting massive particles. 8.2. Pair annihilation. 8.3. One-loop decay. 8.4. Tree-level decay. 8.5. Gravitinos. 8.6. WIMPs and the background light -- 9. The high-energy gamma-ray background. 9.1. Primordial black holes. 9.2. Evolution and density. 9.3. Spectral energy distribution. 9.4. Bolometric intensity. 9.5. Spectral intensity. 9.6. Higher dimensions -- 10. The universe seen darkly. Olbers' paradox. http://id.loc.gov/authorities/subjects/sh85094504 Dark matter (Astronomy) http://id.loc.gov/authorities/subjects/sh87007317 Dark energy (Astronomy) http://id.loc.gov/authorities/subjects/sh2001002908 Galaxies Spectra. http://id.loc.gov/authorities/subjects/sh85052768 Cosmology. http://id.loc.gov/authorities/subjects/sh85033169 Paradoxe d'Olbers. Matière sombre (Astronomie) Énergie sombre (Astronomie) Cosmologie. cosmology. aat SCIENCE Astronomy. bisacsh Cosmology fast Dark energy (Astronomy) fast Dark matter (Astronomy) fast Galaxies Spectra fast Olbers' paradox fast |
| subject_GND | http://id.loc.gov/authorities/subjects/sh85094504 http://id.loc.gov/authorities/subjects/sh87007317 http://id.loc.gov/authorities/subjects/sh2001002908 http://id.loc.gov/authorities/subjects/sh85052768 http://id.loc.gov/authorities/subjects/sh85033169 |
| title | The light/dark universe : light from galaxies, dark matter and dark energy / |
| title_auth | The light/dark universe : light from galaxies, dark matter and dark energy / |
| title_exact_search | The light/dark universe : light from galaxies, dark matter and dark energy / |
| title_full | The light/dark universe : light from galaxies, dark matter and dark energy / James M. Overduin, Paul S. Wesson. |
| title_fullStr | The light/dark universe : light from galaxies, dark matter and dark energy / James M. Overduin, Paul S. Wesson. |
| title_full_unstemmed | The light/dark universe : light from galaxies, dark matter and dark energy / James M. Overduin, Paul S. Wesson. |
| title_short | The light/dark universe : |
| title_sort | light dark universe light from galaxies dark matter and dark energy |
| title_sub | light from galaxies, dark matter and dark energy / |
| topic | Olbers' paradox. http://id.loc.gov/authorities/subjects/sh85094504 Dark matter (Astronomy) http://id.loc.gov/authorities/subjects/sh87007317 Dark energy (Astronomy) http://id.loc.gov/authorities/subjects/sh2001002908 Galaxies Spectra. http://id.loc.gov/authorities/subjects/sh85052768 Cosmology. http://id.loc.gov/authorities/subjects/sh85033169 Paradoxe d'Olbers. Matière sombre (Astronomie) Énergie sombre (Astronomie) Cosmologie. cosmology. aat SCIENCE Astronomy. bisacsh Cosmology fast Dark energy (Astronomy) fast Dark matter (Astronomy) fast Galaxies Spectra fast Olbers' paradox fast |
| topic_facet | Olbers' paradox. Dark matter (Astronomy) Dark energy (Astronomy) Galaxies Spectra. Cosmology. Paradoxe d'Olbers. Matière sombre (Astronomie) Énergie sombre (Astronomie) Cosmologie. cosmology. SCIENCE Astronomy. Cosmology Galaxies Spectra Olbers' paradox |
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