Slide 1 Active Galactic Nuclei Itziar Aretxaga, UPenn, April 2003 Lecture 1: Taxonomy and Unification Classification of AGN AGN vs other emission line galaxies Unification…
Nationalism Nationalism German Unification Welcome Back! Can you solve the riddle? When you behead a word, you remove the first letter and still have a valid word. You will…
Nationalism Nationalism German Unification Welcome Back! Can you solve the riddle? When you behead a word, you remove the first letter and still have a valid word. You will…