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1 : HISTORY & PRELIMINARIES
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Questions
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(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