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The mutable galaxies

How Galaxies Enrich with Heavy Elements

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Abstract

Soon after the discovery of the expansion of the universe, astronomers hoped to determine the parameters of the universe by comparing distant galaxies with nearby ones. Observing distant galaxies, however, meant observing them as they were long ago. A crucial assumption in these studies was that galaxies hardly change, in the time scale of the expansion of the universe. Beatrice Tinsley was one of the first astronomers to point out that galaxies do change. Here we discuss a simplified model of galactic evolution, and show that the comparison of its prediction with observations uncovers clues to how galaxies evolve with time

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Suggested reading

  1. Beatrice M Tinsley, Evolution of the Stars and Gas in Galaxies,Fundamentals of Cosmic Physics, Vol. 5, pp. 287–388, 1980.

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Authors and Affiliations

  1. Raman Research Institute, 560 080, Bangalore, India

    Biman Nath

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  1. Biman Nath
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Correspondence to Biman Nath.

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Nath, B. The mutable galaxies. Reson 9, 10–18 (2004). https://doi.org/10.1007/BF02834011

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  • DOI: https://doi.org/10.1007/BF02834011

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