The Lowest Metallicities: What Do They Tell Us?

Details The Lowest Metallicities: What Do They Tell Us? The Lowest Metallicities: What Do They Tell Us?

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aspc..353..253o&link_type=abstract

Stellar Evolution at Low Metallicity: Mass Loss, Explosions, Cosmology ASP Conference Series, Vol. 353, Proceedings of the Confe

Physics

3

Scientific paper

Although the uncertainties are great, the rewards from studying the lowest-metallicity systems are also great: they could directly probe the earliest star formation in the universe, and the earliest, fundamental stages of galactic chemical evolution. The lowest observed element abundances are determined by a number of factors. These include stellar yields, environment, element dispersal process, and physical and observational selection effects. I discuss some of the dominant phenomena and interpretations of such data.

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