Properties of "Normal" Galaxies
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Properties of Active Galaxies
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Rapid Variability
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Emission Lines
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Centaurus A
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NGC 7742 | Circinus Galaxy |
Blazars (BL Lac Objects)
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Quasars
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Quasars are Active Galactic Nuclei (AGN)
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A Gravitationally Lensed Quasar
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Evidence for a High-Mass Object in the Nucleus
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Black Hole Model
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Evolution of Galaxies
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The innermost 1,500 light years of the Galactic Centre (at radio wavelengths)
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