Abstract
Figure 1 shows a schematic cross section through our galaxy, perpendicular to the galactic plane. Stars are concentrated towards the galactic center, where they form the “nuclear bulge”. Their numbers gradually taper off with increasing distance from the galactic center. The interstellar gas forms a flat layer, whose thickness in latitude increases with increasing distance from the galactic center. Globular clusters are the oldest stellar systems and therefore must have been formed in the early evolutionary stages of the galaxy.
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References
Brocklehurst, M., MNRAS, 148, 417, 1970.
Brocklehurst, M. and Seaton, M.J., MNRAS, 157, 179, 1972.
Mezger, P.G. and Henderson, A.P., Ap.J., 147, 471, 1967.
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© 1974 D. Reidel Publishing Company, Dordrecht
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Mezger, P.G. (1974). Radio Observations. In: Pinkau, K. (eds) The Interstellar Medium. NATO Advanced Study Institutes Series, vol 6. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-2150-0_2
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DOI: https://doi.org/10.1007/978-94-010-2150-0_2
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