... According to the most popular cosmological paradigm, the greater part of the galaxy mass is accumulated in the dark matter halo. ... The polar ring galaxies (PRGs) reveal external rings or disks of gas, dust and stars rotating in a plane roughly perpendicular to the disk of the central galaxy. ... The shape of the dark halo in the model was chosen so as to achieve the best fit to the observed rotation of both galaxies themselves and their polar rings. ... The SPRC-7 galaxy. ...

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• Multi-Spin Galaxies ? 2016

... Our Sun is part of a huge wheel-shaped collection of stars. ... Astronomers have long suspected it was a very massive black hole, and that every galaxy had such a central mass, created early in the history of the universe. ... However, unless that object happens to be headed directly at the black hole (a relatively small target) it will just swing around and fly away again, like a comet making a pass at the Sun. The velocity acquired in falling towards the black hole also helps it escape. ...

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M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

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• Astro-2 and the UIT Experiment

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... In the Center of Spiral Galaxy M61 . ... Credit Copyright: ESA/Hubble , NASA ; Acknowledgements: G. Chapdelaine L. Limatola Explanation: M61 is a barred spiral galaxy located in the nearby Virgo Cluster of Galaxies . Visible in M61 are a host of features common to spiral galaxies : bright spiral arms , a central bar , dust lanes , and bright knots of stars. M61 , also known as NGC 4303 , in similar to our own Milky Way Galaxy . ... Publications with keywords: spiral galaxy - spiral arms . ...

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• Black Holes in Galactic Centers
• A Bubbling Galaxy Center
• In the Center of Spiral Galaxy NGC 3521

. " The Arecibo Observatory is sponsored by the National Science Foundation. Any opinions, findings and conclusions or recommendations . expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation."

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• Galaxy Shop National Astronomy and Ionosphere Center (Arecibo Observatory)
• Arecibo Galaxy Environment Survey (AGES)
• Comets National Astronomy and Ionosphere Center (Arecibo Observatory)

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... 2014 May 20 . In the Center of Spiral Galaxy M61 . Image Credit: ESA/Hubble , NASA ; Acknowledgements: G. Chapdelaine L. Limatola . Explanation: M61 is a barred spiral galaxy located in the nearby Virgo Cluster of Galaxies . Visible in M61 are a host of features common to spiral galaxies : bright spiral arms , a central bar , dust lanes , and bright knots of stars. M61 , also known as NGC 4303 , in similar to our own Milky Way Galaxy . ... About APOD | ...

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• APOD: January 14, 1997 - Black Holes and Galactic Centers
• APOD: October 17, 1999 - Black Holes in Galactic Centers
• APOD: 2015 February 16 - M106: A Spiral Galaxy with a Strange Center

Why areNuclear Star Clusters interesting? 1) Many -- if not all ­ nuclear star clusters appear to be young, or at least have a young population of stars. ... 3) If nuclear clusters indeed form in the galaxy center, their impact on the dynamics of stars and gas in the central region of the host galaxy needs to be understood, because it can potentially influence the galaxy morphology. For example, it has been suggested that nuclear clusters can destroy stellar bars and thus form galaxy bulges. ...

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• Abstract
• Dust disk around a black hole in galaxy NGC 7052
• Selected telescopes I have observed with

... Galaxies which were observed in the project . Location of vortex centers . Laboratory simulations . ... Vortex structure of NGC 157 . Vortex structure of our Galaxy . ... Line-of-sight velocity fields of gas with high precision and resolution are planned to be obtained for the sample of galaxies with regular spiral structure to reveal systematic deviation from circular rotation and to analyze it on the base of hydrodynamical models, which are in progress. ... Back to Laboratory Home Page. ...

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• Fabry-Perot Interferometer: Gallery Old
• SCORPIO: Direct images
• These galaxies were observed (Project: vortex)

... As is known, the observed distribution of massive stars in the direction of the Galactic center looks very peculiar: the vast majority of all massive stars are concentrated towards the central 1 pc or so (Genzel et al. ... In order to compare the observed distribution of X-ray sources in the Galactic center with what would be expected from the population synthesis computations, we have considered two hypothetical scenarios for the location of the starburst. ...

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• Discussion and conclusions
• Galactic potential
• Population synthesis of X-ray sources at the Galactic center

The Big Bang has no center. It is not an explosion radiating from a point. ... This shell has both an outer and an inner edge, and these can be used to locate the position of the explosion. But in the Big Bang there is no edge. The Figure below shows a galaxy A and the velocities measured by observers on A: . ... You might think that by backtracking the velocity vectors you can locate the center of the Big Bang (and it is at A) but this is not the case! ... FAQ | Tutorial : Part 1 | ...

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• Emission-line galaxies
• HyperLEDA documentation: parameter: vdis
• A 1400-MHz Survey of 1478 Abell Clusters of Galaxies

... ATNF Home . ... About ATNF overview . News | ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Mopra radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Now, new Australia Telescope observations of the polar ring galaxy NGC 4650a suggest that the dark matter in this galaxy lies in a flattened distribution aligned with the polar ring. ...

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• Evolutionary Paths in Galaxy Morphology
• Fast Rotation in the Nuclear Region of the Galaxy NGC 1808
• ATNF Daily Astronomy Picture

... Science . ... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Probing the central regions of galaxies . ... Observing Facilities . ... Data Handling and Products . ... Science Data Products Forum . ... Science Archive Facility . ... ESO Data . ... The advent of near IR spectroscopy in conjunction with adaptive optics on large telescopes allows to observe the central regions of galaxies at unprecedented spatial resolutions. ...

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• ESO - VIMOS Science Verification Programs at Melipal/UT3
• ESO - Thesis Topic: Testing galaxy formation in high density environments - the
• Marina Rejkuba's Web Site

... Tonight's Sky . ... Sky this Month . ... The Sky This Week: April 1 - 10 . ... Sky this Week . ... Astronomy for Kids . ... Sky Events . Get to Know the Night Sky . Tour the Deep Sky . Sky Guide . ... Observing springtime deep-sky objects with a large telescope . ... Astronomy 101 . ... Astronomy Day . ... Gift Center . ... NASA's Ames Research Center in Moffett Field, California . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• NASA's Goddard Space Flight Center, Greenbelt, Maryland | Astronomy.com
• Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts |
• Marshall Space Flight Center, Huntsville, Alabama | Astronomy.com

... Cross-shaped galaxy ZGC 2315+03 (Fig.1) has been described by Zwicky (1971) as ``post-eruptive or the result of the crossing of a compact galaxy through an edge-on spiral'' . This object was included in the Polar-Ring Catalog (C-71) by Whitmore et al. (1990) as a possible candidate for Polar-Ring Galaxies (PRG). ... One of them is galaxy 'disk' and the other is 'polar-ring'. ... The facts against the polar-ring nature of ZGC 2315+03 can be summarized as follows: . ...

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• Vladimir P. Reshetnikov's Home Page
• The Stellar Content and Distance to the Nearby Blue Compact Dwarf Galaxy
• Polar-Ring Galaxies

... CfA Home . HCO Home . SAO Home . ... Welcome to CfA . CfA History . ... Laboratory Astrophysics . Extreme Astrophysics . ... 617) 495-7210 . ... 617) 495-7044 . ... 617) 495-7265 . ... HEA Research . ... HEA Home Page . CFA/HEA Home Page . ... High Energy Astrophysics Division (HEAD) . Chandra X-ray Center . ... Chandra Cluster Cosmology Project . Chandra Multiwavelength Project (ChaMP) . ... Chandra-Planck Clusters Project . ... CfA Virtual Observatory Project . ...

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• ChaMPlane
• The galaxy M100
• Aneta Siemiginowska - Home Page

... Home Observing Charles Dana Discovery Center, Central Park . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Charles Dana Discovery Center . ... 6:30тАУ8:00 p.m. The Charles Dana Discovery Center is just inside Central Park, near 110th Street between Lenox and Fifth avenues ( map ). ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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• Amateur Astronomers Association of New York ? Amateur Astronomers Association
• Lincoln Center Observing Schedule ? Amateur Astronomers Association of New York
• Lincoln Center ? Amateur Astronomers Association of New York

Title: A Dark-Matter Spike at the Galactic Center? Authors: Piero Ullio , HongSheng Zhao , Marc Kamionkowski . ... Title: The Galaxy Environment of Quasars in the Clowes-Campusano Large Quasar Group at z~1.3 . ... Title: The Galaxy Environment of a Quasar at z=1.226: A Possible Cluster Merger . ... 16 matches for the search pattern galaxy environment . The URL for this page is: http://xxx.itep.ru/find/astro-ph/1/galaxy+environment/0/1/0/past,all/0/0 www-admin@xxx.lanl.gov ...

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• Cover of the book "Radio galaxies and cosmology"
• astro-ph authors/title/abstract search for 'galaxy cluster' (skipped 200) all

... НЕПРЕРЫВНОГО МАТЕМАТИЧЕСКОГО ОБРАЗОВАНИЯ . ... Кружок ?Олимпиады и математика? ... Московская математическая олимпиада . Заочный математический конкурс . ... Устные математические олимпиады . Олимпиады по программированию . Математический праздник . Математические регаты . ... Математические бои . Олимпиада по геометрии им. И.Ф.Шарыгина . ... Программа ?Math in Moscow? Научные конкурсы . Творческий конкурс . ... График олимпиад . ... XXVII Математический праздник . ...

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• Moscow Center for Continuous Mathematical Education - Independent University of