Tag: alpha/iron ratios
Galactic archaeology: Using chemical abundances to map our galaxy’s history
The different chemical elements we observe across the Milky Way have gone through drastically different formation processes – which have taken place on drastically different timescales. Crucially for astronomers, these differences can be clearly seen in the abundances of chemical elements contained in stars today, providing important clues about our Galaxy’s distant past. In a new overview, Professor Francesca Matteucci […]
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