Sentences with phrase «of active galactic nuclei»

However, new research suggests that two of the most common types of active galactic nuclei do, in fact, exhibit fundamental physical differences in the way they consume matter and spit out energy.

They are proposed to be the primary cause of active galactic nuclei found at the core of some galaxies.

The GBT has joined Spektr - R in several observations of active galactic nuclei, the supermassive black holes lurking inside galaxies that are bright in radio waves.

«In our model, cosmic rays accelerated by powerful jets of active galactic nuclei escape through the radio lobes that are often found at the end of the jets,» Fang said.

It may be the result of an active galactic nucleus, where energy is gushing from a supermassive black hole.

NGC 6240 is an important object to investigate in order to understand the physical and evolutional relationship among the processes of galaxy merger, the action of a starburst, and the phenomenon of an active galactic nucleus.

The discovery gives crucial evidence for the minor merger origin of active galactic nuclei.

A popular theory known as the «unified theory» suggests that differences in the brightness of active galactic nuclei, as seen from here on Earth, are due to the placement of this donut of obscuring dust relative to our angle of observation.

Using data collected at the Pierre Auger Observatory during the past 3.7 years, we demonstrated a correlation between the arrival directions of cosmic rays with energy above 6 × 1019 electron volts and the positions of active galactic nuclei (AGN) lying within ∼ 75 megaparsecs.

Science Interests Formation of galaxies and black holes in the early universe and their growth over cosmic time; large surveys with Hubble and other telescopes to discover new populations of distant galaxies and black holes; physical properties of active galactic nuclei using observations from radio, infrared, optical, ultraviolet through to X-ray energies.

The jet seen by the radio telescopes is not aligned as the scientists expected, and this misalignment may require changes to theoretical models of active galactic nuclei.

Also, the associated gamma - ray emission coming from the galaxy clusters and intergalactic space matches the unexplained part of the diffuse high - energy gamma - ray background that is not associated with one particular type of active galactic nucleus.»

The brightest type of active galactic nucleus, believed to be powered by a supermassive black hole.

Today, quasars are thought to be one of several types of active galactic nuclei, all of which are powered by central black holes.