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Saas-Fee Lectures 2007 The Origin of the Galaxy and the Local Group Ken Freeman, RSAA, ANU

Our Galaxy. . Note the dominant disk and the small boxy bulge. . . Overview of our Galaxy. dark halo. stellar halo. thin disk. thick disk. bulge. The thin disk is metal-rich and covers a wide age rangeThe other stellar components are all relatively old(note similarity of [Fe/H] range for thick disk and globular clusters).

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Saas-Fee Lectures 2007 The Origin of the Galaxy and the Local Group Ken Freeman, RSAA, ANU

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    53. Tidal Streams in the Galactic Halo (simulation of accretion of 100 satellite galaxies)

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