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www.astro.ufl.edu/~lada/ast1002/homework7.html

What perception of the Milky Way Galaxy did astronomer have in the early part of this century? a) They believed ... In a lobe radio galaxy, the ultimate energy source for the entire radio source is thought to reside: a) In the lobes. ... Why is the energy source of Seyfert galaxies thought to be extremely compact? a) Their energy ...

www.flashcardmachine.com/astronomy126.html

Apr 6, 2017 ... The most elongated of the elliptical galaxies are Hubble's class: ... Why is the energy source of Seyfert galaxies thought to be extremely compact? .... In a lobe radio galaxy, the ultimate energy source for the entire galaxy is thought to reside:  ...

archive.ncsa.illinois.edu/Cyberia/NumRel/RelUniverse2.html

Nov 8, 1995 ... Some reside in our own galaxy -- The Milky Way. ... The Ultimate Singularity ... It surrounds a neutron star whose radio emissions pulsate 30 times per second. ... part of their rotational energy gets converted into gravitational radiation. ... Here's an optical image of the powerful X-ray source Cygnus X-1.

lifeng.lamost.org/courses/astrotoday/CHAISSON/AT325/HTML/AT325EOC.HTM

In a lobe radio galaxy, the energy comes from enormous radio lobes that dwarf ... This source—a black hole—must be scaled-up in a quasar to a consumption rate ... black hole responsible for energy production in the active galaxy M87 is thought to ... The fact that a typical quasar would consume an entire galaxy's worth of ...

pages.uoregon.edu/jimbrau/astr123-2011/Notes/Chapter24.html

Jan 10, 2011 ... Discovery of Galaxies outside the Milky Way; Hubble's Galaxy .... novae; nebulae; globular clusters; supernovae; entire galaxies ... Seyfert Galaxies emit a lot of infrared and radio energy ... radio emission is larger than the optical image; lobe radio galaxies .... and reside at very large distances from Earth.

www.encyclopedia.com/science/science-magazines/astronomy-and-space-science-pulsars-quasars-and-distant-questions

These new objects were dubbed pulsars, for “pulsating radio sources.” .... This is now thought to be the energy source of quasars. .... masses of material per year for a billion years would be the equivalent mass of an entire galaxy. ... to find evidence that supermassive black holes truly did reside in the centers of galaxies .

citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.533.9721&rep=rep1&type=pdf

Mar 2, 2006 ... finding Seyfert galaxies amongst the more normal galaxy population. ... hole provides the ultimate energy source, as gas falls inwards via ... directions to light up gas and dust residing much further out in the .... The entire NLR and associated radio .... Seyferts using a property that is not thought to depend on.

adsabs.harvard.edu/full/1995RvMA....8..201C

Investigations of the role of magnetic fIelds in the physics of Active Galactic Nuclei is ... In this model, the current is conducted along the entire length of the lo flux ... should reside in luminous spiral galaxies and the radio-loud sources should be .... Here U is the energy stored in the lobes, taken from equipartition energy Ueq, ...

arxiv.org/pdf/astro-ph/0310106

ultimate source of energy of the emission of both the disk and the corona is accretion. Here we ... spectra in radio–quiet AGNs and galactic black hole sources. .... the entire spectral energy distribution of all radio–loud AGNs ... Fink 1993), thought to be produced by the accretion disk, for ...... radio lobes in not jetted sources.

arxiv.org/pdf/1501.02001

Sep 10, 2015 ... The second inference is that the energy content of the radio lobes is astonishingly high ... engine of solar-system size care what type of galaxy it resides in? .... The Type 2 sources were thought to lack these essential .... rently!) by almost the entire community, and enormous effort has been spent refining this.