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Chapter 14 Spiral Galaxy
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Figure 14.1 Galactic Plane
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Figure 14.2a Spiral Galaxies
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Figure 14.2bc Spiral Galaxies
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Figure 14.3 Herschel’s Galaxy Model
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Figure 14.4ab Variable Stars
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Figure 14.4c Variable Stars
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Figure 14.5 Variable Stars on the H–R Diagram
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Figure 14.6 Period–Luminosity Plot
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Figure 14.7 Variable Stars on Distance Ladder
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Figure 14.8 Globular Cluster Distribution
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Figure 14.9 Stellar Populations in our Galaxy
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Discovery 14-1 Early Computers
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Figure 14.10 Observations of the Galactic Disk
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Figure 14.11 Infrared View of the Milky Way Galaxy
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Figure 14.12 Stellar Orbits in Our Galaxy
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Figure 14.13 Milky Way Formation
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Figure 14.14 Milky Way Spiral Structure
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Figure 14.15 Differential Galactic Rotation
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Figure 14.16 Density-Wave Theory
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Discovery 14-2 Density Waves
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Figure 14.17 Self-Propagating Star Formation
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Figure 14.18 Galaxy Rotation Curve
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Figure 14.19 Gravitational Lensing
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Figure 14.20 Galactic Center in Visible Light
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Figure 14.21 Radio/Infrared Images of the Galactic Center
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Figure 14.22 Orbits Near the Galactic Center
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Figure 14.23 (1) Galactic Center Zoom
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Figure 14.23 (2) Galactic Center Zoom
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