Editor’s Note: Today’s post is by Richard de Grijs. Richard is Professor of Astrophysics at Macquarie University in Sydney, Australia. He served as scientific editor of The Astrophysical Journal from 2006–2012 and Deputy Editor of The Astrophysical Journal Letters from 2012–2018. Richard is currently Associate Editor of the Journal of Astronomical History and Heritage and Specialty Chief Editor (Fundamental Astronomy) of Frontiers in Astrophysics and Space Sciences.