EAS Publications Series
Volume 2, 2002GAIA: A European Space Project
|Page(s)||295 - 304|
|Section||Section VI: Outside our Galaxy|
|Published online||25 September 2002|
O. Bienaymé and C. Turon (eds)
EAS Publications Series, 2 (2002) 295-304
M 31, M 33 and the Milky Way: Similarities and Differences
The Johns Hopkins University,
Department of Physics and Astronomy, Baltimore, MD 21218, USA
The large galaxies in the Local Group, as all disk galaxies, have diverse stellar populations. A better understanding of these differences, and a physical understanding of the causes, requires more detailed study of the older populations. This presents a significant challenge to GAIA but the scientific returns are also significant.
© EAS, EDP Sciences, 2002
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