Abundances of Light Elements |
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| Authors: | R G Gratton |
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| Institution: | (1) INAF—Osservatorio Astronomico di Padova, Vicolo dell’Osservatorio 5, 35122 Padova, Italy |
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| Abstract: | This paper briefly reviews a few relevant features about the abundances of light elements (D, 4He, 6Li, 7Li, 9Be) in the Milky Way. It places special emphasis on metal-poor stars. Observational concerns are discussed. The use of 7Li and 6Li as cosmological probes and of 9Be as a chronometer for the early evolution of our Galaxy are discussed. |
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| Keywords: | The Galaxy: evolution of Abundances: light elements |
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