Clay Fellowship Lecture: Signatures of Creation

The chemical evolution of the Universe is governed by star formation and flows of gas in and out of galaxies. I will discuss the chemical evolution history of galaxies measured from the strong.

The Chemically Diverse Stellar Populations in Massive Globular Clusters Christian Johnson (CfA)

Welcome to the channel for the Harvard-Smithsonian Center for Astrophysics' Colloquium. Here you will find videos of the science talks given weekly at the CfA. Learn about the latest research.