Prev        All        Next    

 
1 : HISTORY & PRELIMINARIES

     Figs.     Questions     Refs.     Print 

(1) Introduction
(2) Discovering Galaxies: Ours & Others
      (a) Early Aims
      (b) Before 1850 : Search & Discovery
      (c) 1850 - 1925 : The Great Debates
      (d) 1925 - 1950 : Expanding Horizons
      (e) 1950 - Present : Modern Developments
(3) Preliminaries
      (a) The Big Picture
      (b) Galaxies are Multicomponent Systems
      (c) The Milky Way - A Typical Large Spiral
      (d) A Wide Variety of Size, Mass & Form
      (e) Useful Units
      (f)  Magnitude Systems & Surface Brightness
      (g) Mass to Light Ratios
      (h) Gas in and Between Galaxies
      (i)  Collisionless Components
      (j)  Thermal & Fluid Character of Stellar Dynamics
      (k) Support : Rotation vs Dispersion
      (l)  Dissipationless vs Dissipational Collapse
      (m) Concordance Cosmology