... In the heart of an activegalaxy, matter falling into a supermassive black hole somehow creates jets of particles traveling ... In activegalaxies classified as blazars, one of these jets beams right toward Earth. ...
... story about an astronomer whose images of activegalaxy NGC 1097 lead him to some ... The Milky Way becomes an activegalaxy, but life on Earth is saved by a higher ...
... Profiles of four astronomers who search for "hungry" black holes at the centers of activegalaxies. ... most involved in explaining how giant black holes can form and power activegalaxies explains the key ideas in the field ...
... for the behavior of quasars, radio galaxies, and blazars, known collectively as active galactic nuclei (AGNs), since they are ... And such galaxies are part of a class known as "activegalaxies." . Galactic Nuclei: Old Quasars? ...
... explosions or from the nuclei of activegalaxies -- hence a dual meaning for the ... Activegalaxies are a major target for NuSTAR, which is studying X-rays emitted from ...
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... EMISSION LINES IN ACTIVEGALAXIES: NEW METHODS AND TECHNIQUES, IAU Colloquium 159 . ... THE FIRST STROMLO SYMPOSIUM: THE PHYSICS OF ACTIVEGALAXIES . ... RELATIONSHIPS BETWEEN ACTIVE GALACTIC NUCLEI AND STARBURST GALAXIES . ...