Quasars and black holes-their nature and function | What can be used for navigation in space?

Quasars and black holes-their nature and function | What can be used for navigation in space? The topic of this broadcast is the study of quasars, these most interesting objects in the Universe. Our interlocutor is a scientist Alexander Plavin, a post-graduate student and researcher from the Lebedev Physical Institute of the Russian Academy of Sciences and the Moscow Institute of physics and technology Quasars and black holes-their nature and function | What can be used for navigation in space? Quasars and black holes-their nature and function | What can be used for navigation in space? Quasars and black holes-their nature and function | What can be used for navigation in space?