The Andromeda Galaxy's Globular Cluster System

Globular Clusters (GCs) Globular clusters are groups of roughly spherical, densely packed stars. They are thought to have formed at the same time as most galaxies and the stars which make them up are some of the oldest known–thus GCs are an excellent probe of galaxy formation and evolution. They have a high central stellar Read More …

Quantum Field Theory (QFT), General Relativity (GR), and Other Exciting Diversions (OED)

QFT I’m lucky to have a job in which I can take two weeks of mornings of work to study a nominally tangential subject in greater depth. These past two weeks I attended a series of  lectures at the ETH on physics beyond the standard model, the first week was very technical but exciting to Read More …