Galactic archaeology: Astronomers are using stars as fossils to study the Milky Way

Our Milky Way is thought to be home to as many as 400 billion stars, one of which is, of course, our own sun. But how and when did these stars form, and where did they come from? Source: https://phys.org/news/2020-12-galactic-archaeology-astronomers-stars-fossils.html…