In an article for Physics Today, Prof. Anna Frebel details the formation of the heaviest elements. While scientists previously thought that supernova explosions were responsible for the creation of elements heavier than iron, Frebel notes that evidence from LIGO and from a faint galaxy known as Reticulum II suggest, “neutron-star mergers are the universe’s way to make elements such as gold and platinum.”
Reporter Lisa Grossman interviews MIT Professor Anna Frebel about her work searching for the oldest, living stars in the universe, and her recent discovery of a star almost as old as the universe.
“Four years ago, Anna Frebel, a young astronomer at the Massachusetts Institute of Technology, found an ancient star in a neighboring galaxy whose chemical composition proved nearly identical to some unusual stars on the outskirts of our own galaxy,” wrote New York Times reporter Curtis Brainard in a feature on Prof. Frebel’s work.