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Globular Cluster

Globular Clusters and the Age-Metallicity Relation

24 Jun , 2011 by

[/caption]   Globular Clusters have a story to tell. These dense clumps of thousands of stars are relics of the early history of our galaxy, preserving information of the galaxy’s properties from their formation. Knowing this, astronomers have used globular clusters for nearly 30 years to probe how our galaxy has evolved. New observations from […]

Poor in one, Rich in another

8 Oct , 2010 by

[/caption] Just over three years ago, I wrote a blog post commemorating the 50th anniversary of one of the most notable papers in the history of astronomy. In this paper, Burbidge, Burbidge, Fowler, and Hoyle laid out the groundwork for our understanding of how the universe builds up heavy elements. The short version of the […]

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