... The cause of the shells is currently unknown, but possibly tidal tails related to debris left over from absorbing numerous small galaxies in the past billion years. Alternatively the shells may be like ripples in a pond, where the ongoing collision with the spiral galaxy just above NGC 474 is causing density waves to ripple though the galactic giant. ... Publications with keywords: NGC 474 - interacting galaxies . Publications with words: NGC 474 - interacting galaxies . ... Merging NGC 2623 . ...

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• Galaxy NGC 474: Cosmic Blender
• Galaxy NGC 4388 Expels Huge Gas Cloud
• Астронет > Galaxy NGC 474: Cosmic Blender

... 2014 January 5 . Galaxy NGC 474: Shells and Star Streams . ... Explanation: What's happening to galaxy NGC 474? ... The cause of the shells is currently unknown, but possibly tidal tails related to debris left over from absorbing numerous small galaxies in the past billion years. Alternatively the shells may be like ripples in a pond, where the ongoing collision with the spiral galaxy just above NGC 474 is causing density waves to ripple though the galactic giant. ... About APOD | ...

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• APOD: 2007 October 8 - Galaxy NGC 474: Cosmic Blender
• APOD: 2011 July 26 - Galaxy NGC 474: Cosmic Blender
• APOD: 2002 June 3 - Galaxy NGC 4388 Expels Huge Gas Cloud

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... I describe experience in working with Galaxy Zoo participants to identify rare classes of galaxy, and in following up the discovery of the giant nebula known as Hanny's Voorwerp to define a new class of ionized clouds ionized by fading active nuclei. ...

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• A new twist to polar rings
• Redshifted H I and OH absorption in radio galaxies and quasars
• HI Absorption Database

... ESO . ... Galaxies . ... Now, however, Dante Minniti and Albert Zijlstra [1] , working at the ESO 3.5-metre New Technology Telescope (NTT), have found a large halo of old and metal-poor stars around one of the dwarf galaxies in the Local Group. ... This does not necessarily imply that all dwarf galaxies must likewise lack halos: it is also possible that the halos of the Magellanic Clouds were stripped away when they came too close to the Milky Way sometime in the past. ... A Dwarf Galaxy With A Halo...

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• The Very Large Telescope Project
• The Unexpected Past of a Dwarf Galaxy | ESO Deutschland
• Publications, Paul Bristow

In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...

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• The Galaxy Gallery: Messier Objects
• The Galaxy Gallery Page 6: Comparative Morphology
• Stellar and Galaxy Spectra

Most of the stars in the local Universe inhabit spiral galaxies (like our own Milky Way) or elliptical galaxies. ... The nearest elliptical galaxy is M32, at a distance of 770,000 parsec (2.5 million light years). ... Our image of M32 is the first to directly image the stars responsible for the ultraviolet light produced by elliptical galaxies. ... The image below shows how M32 appears in near-ultraviolet light. ... A false-color JPEG file of the STIS near-UV M32 image is available here . ...

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• Roelof's Publications
• The Spectral Energy Distribution of Dust Emission in the Edge-on Spiral Galaxy
• John H. Debes

home publications > mercury . ... Big Clusters, Tiny Galaxies . ... Astronomers struggle to understand why giant star clusters form in the tiniest of galaxies . ... These clusters are probably young versions of globular clusters, but they are commonly called super star clusters. Seven dwarf galaxies within 16 million light-years have formed super star clusters, with one of these galaxies, NGC 1569, possessing two young clusters. ... Super star clusters have a lot to tell us about star formation. ...

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• ASP: An Ancient Universe - The Age of Light from the Most Distant Galaxies
• ASP: Cover Story: When Galaxies Collide
• ASP: Good Astronomy Activities on the WWW

K-band Arcetri Obscured Supernova Search . What is the KAOSS Project? W hat is the KAOSS Project? Some recent surveys aimed at detecting Supernovae (SNe) in the optical have found that starburst galaxies do not show evidence for an enhanced SN rate, with respect to quiescent galaxies (Richmond et al. ... A similar result was obtained by Navasardyan et al. (2001) who looked for SNe in interacting galaxies, finding no evidence for correlations between SN rate and galaxy properties. ...

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• APOD: 2000 March 12 - Supernova 1994D and the Unexpected Universe
• APOD: December 30, 1998 - Supernova 1994D and the Unexpected Universe
• VLT Unit Telescopes Named at Paranal Inauguration (ESO Press Release 06/99)

... Centaurus A : 15,000,000 light years away, in the constellation Centaurus, the closest AG to Earth . ... Astronomers think that the reason for the unusual shape of this galaxy is because hundreds of millions of years ago two galaxies, one dusty spiral and one bright ellipictal, collided causing a massive black hole in the middle and bright emmision of light. ... Andromeda galaxy: 2.8 million light years away, closest spiral galaxy to earth, farthest object one can see without a telescope. ...

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• The galaxy M100
• Topics in AstroStatistics

... Milky Way . ... Map of the Milky Way (based on data from NASA's Spitzer Space Telescope) showing its two major stellar arms and central bar. ... ТљIn written science fiction, one often encounters another navigational convention, where towards the Galactic Centre is described as т??Corewardт??, away from the Centre towards the rim of the Milky Way is т??Rimwardт??, objects in the direction of the Galaxyт??s rotation are т??Spinwardт??, while objects in the opposite direction are т??antispinwardт?? ...

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• Our Galaxy | Astronotes - Part 5
• Other Galaxies | Astronotes - Part 2
• Six glorious spiral galaxies seen by the European Southern Observatory. |

Blackholes2 Forum Message . ... Distant Galaxy Red Shift Caused By Time Passage Variation. ... If I were falling toward a neutron star or a black hole, a distant galaxy would seem to be accelerating toward me? ... And apparent receding distant galaxies with a red shift. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• The Astronomy Shop - Posters - by Astronomy Net

... Research . ... A rare hybrid morphology radio galaxy . ... In this project we will be able to investigate the environmental effect on star formation and galaxy evolution in individual galaxies falling into the cluster through radio observations of active galactic nuclei (AGN). Current models of galaxy evolution regulate the star formation rates within the simulated galaxies by invoking radio-mode feedback from AGN. ... Julie.Banfield@anu.edu.au . ...

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• David Nicholls: CV and publications
• IAU Commission #34 (Interstellar Matter)
• Dark Matter in Spiral Galaxies

. My astronomical research interests center on galaxy structure and evolution. Current topics include: . Polar-ring and interacting galaxies (see also new catalogue ) . Galaxy warps: statistics, properties and origin . Spiral galaxies at z~1: radial and vertical structure of stellar disks, statistics of interactions . Surface photometry and kinematics, dynamical modeling . Observational cosmology . Joomla Counter since Sep 1997

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• List of publications
• A Nature of Polar-Ring Candidate Galaxy ZGC 2315+03
• Astronomy Electronic Preprints and Publications

Galactic Wind Shells and High Redshift Radio Galaxies . ... M.Krause . Astronomy & Astrophysics, v.436, 845-851 . Very Light Jets II: Bipolar large scale simulations in King atmospheres [small version] . ... Simulations of Astrophysical Jets in Dense Environments . M.Krause, V.Gaibler & M.Camenzind . in: High Performance Computing in Science and Engeneering '05 eds.: E.Krause, W.J ger & M.Resch. ... M.Krause & M.Camenzind . ... Martin Krause & Paul Alexander . ... Martin Krause . ...

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• Astrophysics Group Galaxies and Quasars
• The history of star formation and mass assembly in early-type galaxies
• Galaxy Evolution pages

... Astronomy news . ... NASA's Spitzer Images Out-of-This-World Galaxy . ... It is spiral-shaped like our Milky Way, with long, spindly arms of stars. The "eye" at the center of the galaxy is actually a monstrous black hole surrounded by a ring of stars. In this color-coded infrared view from Spitzer, the area around the invisible black hole is blue and the ring of stars, white. ... The ring around the black hole is bursting with new star formation. ...

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... Archive 2003: . The longitudinal magnetic field of the young star of T Taurus (150 + 40G) an order of magnitude weaker than expected has been first measured at the 6m telescope. It is shown that the magnetic field does not play an important part in the formation of jets and to explain them, magnetic fields of accretion disks should be involved. ... Archive of scientific results "Galaxy" . ... Last update: 26/12/2008 ...

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• Galaxy sector, archive 2010
• Galaxy sector, archive 2014
• articles_olga_eng

... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... First galaxies were born much earlier than expected . ... Using the amplifying power of a cosmic gravitational lens, astronomers have discovered a distant galaxy whose stars were born unexpectedly early in cosmic history. ... However, the newly discovered galaxy has dramatically different features from other distant galaxies that have been observed, which generally shine brightly with only young stars...

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• The Very Large Array finds unexpected т??stormт?? at galaxyт??s core |
• Unexpected gamma-ray emission from dwarf galaxy may point to new understanding
• Galaxy vs. home lighting | Astronomy.com

... Bad Astronomy . Misconceptions . ... Bad Astronomy : "We're light years more advanced than our competition!" ... Even the closest astronomical object, the Moon, is 400,000 kilometers away! ... A beam of light will travel 9,500,000,000,000 kilometers in one year. This distance is defined as a light year ; the distance light travels in a year. ... This is another example of Bad Astronomy; like a light year, a parsec is a unit of distance, not time (to be specific, it equals 3.26 light years) . ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Q and BA

The very metal-poor local dwarf galaxies - the analogs of primordial galaxies in young Universe . ... The goal of this project is the study of the properties of the local eXtremely Metal-Deficient (XMD) dwarf galaxies. ... S.A. Pustilnik, J.-M. Martin . ... Pustilnik S.A. "Dark galaxies" and local very metal-poor gas-rich galaxies: possible interrelations, in: Dark Galaxies and Lost Baryons, Edited by J.Davies and M.Disney, Proceedings of IAU Symposium No. 244, held 25-30 June, 2007 in Cardiff, UK. ...

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• "Structure" publications in 1996 year
• "Structure" publications in 2000 year
• "Structure" publications in 2003 year

... Animation of the neutral hydrogen data cube from Westerbork. ... VIRGOHI 21 was a dark galaxy candidate discovered in 2005 it was found to contain no starlight down to a very low surface-brightness level, yet its velocity structure implied that it had a mass of 10 10 10 11 solar masses. ... VIRGOHI 21 was first observed in the 21-cm line of neutral hydrogen with the Lovell telescope at Jodrell Bank Observatory and the detection was confirmed using the Arecibo telescope ( Davies et al. ...

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• New Results Confirm Dark Galaxy Existence
• The Arecibo Zone of Avoidance Survey (ALFAZOA)
• I-GALFA Reveals Dynamic Events in Our Galaxy