User:Rap Chart Mike/sandbox
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The age metallicity relation (AMR) is amount of metal that exist in a galaxy in relation to the age of the galaxy.[1] Observed variations in AMR within a particular galaxy offer another test for models of galactic evolution.[1]
References
- ^ a b "Globular Clusters and the Age-Metallicity Relation". Universe Today. 2011-06-24. Retrieved 2019-06-18.