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Galaxies and Cosmology

  1. David Layzer

Published Online: 15 JUL 2007

DOI: 10.1002/3527600434.eap150.pub2

Encyclopedia of Applied Physics

Encyclopedia of Applied Physics

How to Cite

Layzer, D. 2007. Galaxies and Cosmology. Encyclopedia of Applied Physics. .

Author Information

  1. Harvard University, Department of Astronomy, Cambridge, Massachusetts, U.S.A.

Publication History

  1. Published Online: 15 JUL 2007

Abstract

The article contains sections titled:

  • 1
    Introduction
  • 2
    Ancient and Classical Cosmology
    • 2.1
      Greek Cosmology
    • 2.2
      The Revival of Greek Cosmology
    • 2.3
      Newton's Cosmology
    • 2.4
      Kant and Laplace
    • 2.5
      Cosmology in the 19th Century
  • 3
    the Milky Way and Other Galaxies
    • 3.1
      Cepheids as Distance Indicators
    • 3.2
      Shapley's Galaxy
    • 3.3
      The Role of Dust
    • 3.4
      Galactic Rotation
    • 3.5
      The Nature of Spiral Nebulae
    • 3.6
      Composition of Galaxies
    • 3.7
      Galaxy Types
    • 3.8
      Chemical Composition and Age
  • 4
    “THE REALM OF THE NEBULAE”
    • 4.1
      The Cosmological Principle
    • 4.2
      The Cosmic Expansion
    • 4.3
      The Spatial Distribution of Galaxies
    • 4.4
      Prevalence of Dark Matter
    • 4.5
      The Cosmic Microwave Background
    • 4.6
      The Age of the Universe
  • 5
    Modern Cosmology
    • 5.1
      Relativistic Cosmology
    • 5.2
      The Primordial Fireball
    • 5.3
      Origin of Helium and Other Light Elements
    • 5.4
      The Primordial Fireball and Particle Physics
    • 5.5
      Phase Transitions, Domain Walls, and Magnetic Monopoles
    • 5.6
      Inflationary Cosmology
    • 5.7
      Origin and Growth of Density Fluctuations in the Fireball
    • 5.8
      The Vacuum–Energy Problem
    • 5.9
      A Cold Universe?
    • 5.10
      The Cold Universe and Particle Physics