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Article overview
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The baryon halo of the milky way: A fossil record of its formation | | J Bl
; -Hawthorn
; K Freeman
; | | Date: |
7 Jan 2000 | | Journal: | Science, 287 (5450), 79-84 | | Abstract: | Astronomers believe that the baryon (stellar) halo of the Milky Way retains a fossil imprint of how it was formed. But a vast literature shows that the struggle to interpret the observations within a consistent framework continues. The evidence indicates that the halo has built up through a process of accretion and merging over billions of years, which is still going on at a low level. Future satellite missions to derive three-dimensional space motions and heavy element (metal) abundances for a billion stars will disentangle the existing web and elucidate how galaxies like our own came into existence. | | Source: | PubMed, pmid10615053 doi: 8159 | | Services: | Forum | Review | Favorites | |
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