International team observes innermost structure of quasar...
At the heart of nearly every galaxy lurks a supermassive black hole. But not all supermassive black holes are alike: there are many types. Quasars, or quasi-stellar objects, are one of the brightest and most active types of supermassive black holes. An international group of scientists has published new observations of the first quasar ever identified, known as 3C 273 and located in the Virgo constellation, that show the innermost, deepest parts of the quasar’s prominent plasma jet. Active...