Sentences with phrase «galactic nuclei in»
Originally, Shaya and colleagues were looking for active galactic nuclei in their Kepler data.
https://www.jpl.nasa.gov/ Not exact matches
The leading suspects in the half - century old mystery of the origin of the highest - energy cosmic particles in the universe were in galaxies called «active galactic nuclei,» which have a super-radiating core region around the central supermassive black hole.
Rodrigo Contreras Ramos elaborates: «This discovery of RR Lyrae Stars in the centre of the Milky Way has important implications for the formation of galactic nuclei.
In addition to the bright and chaotic features, each merging galaxy of NGC 5256 contains an active galactic nucleus, where gas and other debris are fed into a hungry 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.
In 2007 astronomers working at Auger traced some of the ultrahigh - energy cosmic rays to nearby active galactic nuclei, the turbulent centers of violent galaxies.
He is a specialist on active galactic nuclei, superbright galactic cores thought to be caused by giant black holes sucking in and heating up quantities of gas and dust.
Among the most luminous things in the universe are active galactic nuclei (AGN): gigantic black holes that can emit as much energy as 10 billion suns.
However, at high redshifts we require active, continuous accretion to infer the presence of the SMBHs, which often comes in the form of long - term accretion in active galactic nuclei.
She shared some of her first observations of how these accretion disks operate in brilliant active galactic nuclei, or AGNs.
He and his colleagues focused on the K - alpha emission line of iron, visible in the spectra of many active galactic nuclei (AGN)-- the brilliant centers of these galaxies.
In some active galactic nuclei, you have a black hole and accretion disk and the majority of the power is associated with these outflowing jets, far more than is associated with the radiant energy that is emitted by the accretion disk and the hot gas surrounding it.
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.
«The best part of this project for me was learning about active galactic nuclei and supermassive black holes on a level I never could have in either undergraduate or graduate classroom settings.»
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.
Many active galactic nuclei are surrounded by large, dark, donut - shaped clouds of gas and dust, as seen in this artist's rendering.
These mergers produce shock waves, which propagate through the clusters, reaccelerating particles previously accelerated by supermassive black holes in the galactic nuclei.
In this process, the material heats up and becomes very bright — becoming the most energetic sources of emission in the universe known as active galactic nuclei (AGNIn this process, the material heats up and becomes very bright — becoming the most energetic sources of emission in the universe known as active galactic nuclei (AGNin the universe known as active galactic nuclei (AGN).
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.
These throbbing galactic hearts are known as «active galactic nuclei,» or AGN, and, in new research published online in the journal Nature on Sept. 27, an international group of researchers have upended a bedrock theory (the unified theory) that astronomers thought characterized these AGN.
The nuclear region of M87 is known as an «active galactic nucleus» due to its brightness in visible, x-ray, radio, and other wavelengths of light.
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.
Active galactic nuclei are classified in a variety of types, according to different phenomena seen by observers.
Just a few days ago, the ESA released this Hubble image of a pair of barred spiral galaxies some 350 million light years away in the process of merging, their two galactic nuclei still separated by a massive distance but throwing out clouds of hot gas and mid-formation stars.
Yet gravitational tidal forces — from the black hole and from stars in the galaxy's nucleus — make the galactic center the antithesis of such a [stellar] nursery.»
Carl Rodriguez studies the dynamics of dense star clusters, such as globular clusters and galactic nuclei, with a particular interest in the formation and dynamics of black holes in these systems.
She encouraged students to take part in this project and a number of them contributed to projects involving young stars, active galactic nuclei, and tidal dwarf galaxies.
Yet gravitational tidal forces — from the black hole and from stars in the galaxy's nucleus — make the galactic center the antithesis of such a
The European X-ray Observatory Satellite (EXOSAT), originally named HELOS, was an X-ray telescope operational from May 1983 until April 1986 and in that time made 1780 observations in the X-ray band of most classes of astronomical object including active galactic nuclei, stellar coronae, cataclysmic variables, white dwarfs, X-ray binaries, clusters of galaxies, and supernova remnants.
M81's active galactic nucleus contains a supermassive black hole with about 70 million solar masses, or 15 times the mass of the black hole in the Milky Way Galaxy, and has been an object of extensive study.
While other objects in the universe generate cosmic rays, most probably active galactic nuclei located far beyond our own Milky Way galaxy, supernovae in our own galactic neighborhood are thought to produce a large fraction of the cosmic rays that impact Earth.
SDSS studies have probed the dark matter environments of quasars through clustering measurements, revealed populations of quasars whose central engines are hidden by obscuring dust, captured changes in quasar spectra that show clouds moving in the gravitational grip of the central black hole, and allowed a comprehensive census of the much fainter accreting black holes (active galactic nuclei, or AGN) in present - day galaxies.
Since we can't even measure this effect directly, how can one say that cycle 23 should have contributed X amount of increased condensation nuclei from the slight / modest increase in galactic cosmic rays vs cycle 22?