english: Beyond the cosmic accounting of what goes in to what goes out, one of the hot topics in  blazar astrophysics right now is where the highest-energy  jet emission comes from.
non_english: Osim svemirskog računanja šta ide unutra, a šta van, jedna od gorućih tema trenutno u astrofizici blazara je - odakle dolazi visoko-energetska  emisija mlaza.