Astronomy Picture of the Day . ... Big, beautiful spiral galaxy M101 is one of the last entries in Charles Messier's famous catalog, but definitely not one of the least. ... The Flaming Star Nebula from CFHT . ... Rippling dust and gas lanes give the Flaming Star Nebula its name. ... The bright star.. ... A closer look at the Eagle Nebula, however, shows the bright region is actually a window into the center of a larger dark shell of dust. ... An Unusually Smooth Surface on Saturns Telesto . ...

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• Journey to the Center of the Galaxy

... 2001 September 11 . Spiral Galaxy NGC 3310 Across the Visible . ... Explanation: The party is still going on in spiral galaxy NGC 3310. Roughly 100 million years ago, NGC 3310 likely collided with a smaller galaxy causing the large spiral galaxy to light up with a tremendous burst of star formation . ... NGC 3310 spans about 50,000 light years , lies about 50 million light years away, and is visible with a small telescope towards the constellation of Ursa Major . ... About APOD | ...

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• APOD: June 28, 1996 - A Distant Galaxy in the Deep Field
• APOD Index - Galaxies: Spiral Galaxies
• APOD Index - Galaxies: Milky Way

... NOTE TO EDITORS: GALAXY FLY-THROUGH AVAILABLE ONLINE . HUGE GALAXY STRING CHALLENGES SPACE THEORY . An enormous string of galaxies 300 million light-years long has been discovered in the remote Universe, challenging existing theories about how the Universe evolved. ... ANU astronomer Dr Paul Francis, who coordinated the international research team, said the galaxy string lay 10,800 million light-years away. ... The research was funded by NASA and the Australian National University. ...

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• RSAA Annual Report 1998
• Dark Matter in Spiral Galaxies

Galaxy Detection within the RATS project Michael Campbell Zone of Avoidance Our solar system lies about two thirds, or 25,000 light years, away from the galactic centre of the Milky Way. ... The Galaxy Threshold Value After much trial and error it was discovered that the vast majority of object with a star class less than 0.35 were galaxies and the vast majority of objects above 0.35 were stars. I called this the Galaxy Threshold Value. ... Not every object of star class beneath 0.35 is a galaxy. ...

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• FETTU - Page 1
• The Big Bang
• Armagh Observatory

Abstract -- Abundances of heavy elements decreases with increasing galactocentric distance almost in all disk galaxies. ... To explain this gradient in young objects and in the interstellar gas one has to assume that a typical disk galaxy is an open system, i.e. it expels some synthesized heavy elements into the circumgalactic space and/or accretes intergalactic gas with zero metallicity, with rates of both processes depending on the galactocentric distance. ...

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... Visible Distribution of Galaxies. ... Features of Elliptical, Lens-Shaped, Spiral and Irregular Galaxies. Galaxies with Bar. ... Distribution of Surface Brightness of Surface and Spiral Galaxies. ... Color Characteristics of Galaxies. ... Methods of Galaxies' Mass Determination. ... Hidden Mass of Spiral Galaxies. ... Features of Dark Matter Distribution in E and SO Galaxies. ... The Whole Number of Galaxies and Their Density by the Results of Observation on the 'Hubble' Space Telescope. ...

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• Stellar Astronomy

... Science . ... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Fuelling and growth of galaxy nuclei . ... ESO-MIDAS . ... Data Handling and Products . ... Science Data Products Forum . ... ESO Data . ... ESO Data Access Policy . ... ESO Science Newsletter . ... We can constrain the assembly histories of NCs using a unique observational dataset, but we are lacking numerical simulations to test the proposed fuelling and growing...

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• The composition of a star that should not exist | ESO
• Visible/infrared cross-fade of images of the spectacular barred spiral galaxy
• ESO - The physics of AGN outflows: are they able to shape their own galaxy?

The galaxy cluster called MOO J1142+1527 can be seen here as it existed when light left it 8.5 billion years ago. The red galaxies at the center of the image make up the heart of the galaxy cluster. ... In addition to galaxies, clusters also contain a reservoir of hot gas with temperatures in the tens of millions of degrees. CARMA was used to detect this gas and to determine the mass of this cluster. NASA/JPL-Caltech/Gemini/CARMA ...

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• Bright planets meet at dusk | Astronomy.com
• Explosion illuminates invisible galaxy in the Dark Ages | Astronomy.com
• Is it possible for a quark star to exist? | Astronomy.com

Astronotes Armagh Planetarium's Stellar Blog! ... Our Galaxy . ... Other Galaxies . ... Space Flight . ... When Galaxies Collide (Image credit: ALMA (ESO/NAOJ/NRAO). Visible light image: the NASA/ESA Hubble Space Telescope) . In the southern sky constellation of Corvus (the Crow), we see the Antennae Galaxies (alias NGC 4038 and 4039). ... Your email address will not be published. ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

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• Six glorious spiral galaxies seen by the European Southern Observatory. |
• Galaxy NGC 6744: the Milky Way's Cosmic Twin? | Astronotes
• Exploring Icy Moons in Search of Life | Astronotes

... О Далекой Галактике . ... Теперь в Далекой Галактике вы всегда можете увидеть свежие фотографии Солнца. ... Форум . Форум "Далекой Галактики" - прекрасное место для общения всех астрономов. ... Новости из космоса . ... Подписаться на новости Далекой Галактики Вы можете здесь: . ... Новости из Далекой Галактики - популярно об Астрономии . ... Если вы хотите выразить свое мнение о сайте "Далекая Галактика", или просто почитать мнения других посетителей - пожалуйста, заходите в Гостевую книгу . ...

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. Back to A.Zasov's homepage.

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... 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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• Discovery of an isolated dwarf spheroidal galaxy neighboring the Local Group
• Galaxy sector, archive 2006
• Group for study of galaxies and cosmology, staff

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. July 15, 1998 . Ghost Galaxy NGC 2915 . ... In visible light, shown above in yellow, this galaxy appears to be a normal dwarf galaxy , as indicated by the yellow smudge in the image center. Yet when imaged in a very specific color, shown in blue, a whole spiral galaxy appears. ... About APOD > . ... Specific rights apply . ...

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• Thought-Provoking Imagery Shows Sun's Place in the Galaxy
• APOD: September 22, 1998 - M61: Virgo Spiral Galaxy
• APOD: December 6, 1999 - M83: The Southern Pinwheel Galaxy from VLT

B?rbel Koribalski ( ATNF ) . ... The Grus-Quartet consists of four large spiral galaxies which are so close to each other that they should be interacting. The high starburst activity of two of the members, namely NGC 7552 and NGC 7582, is also thought to arise from tidal galaxy-galaxy interactions and subsequent formation of a bar in the disk. ... The colour gradient is in units of Jansky/beam km/s.) . The colour gradient is in units of km/s.) . ... Baerbel.Koribalski @ csiro.au ...

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• The NGC 6221/15 Galaxy Group
• ATNF Daily Astronomy Picture
• NGC 2915: The Darkest Spiral Galaxy

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . des actualit†йs . ... les plus belles images de l'Univers d†йcrypt†йes pour vous . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Toute la violence dтАЩun amas de galaxies . ... Philippe Henarejos, le 14 mars 2016 . ... 02/02/2016 - Panorama lunaire dans la mer des Pluies . ...

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• Hubble †йpingle 7 galaxies aux fronti†иres de l'Univers | Ciel et Espace
• LтАЩ†йtrange fant†‡me de Galaxy Zoo | Ciel et Espace
• D'Гїtranges signaux venus d'autres galaxies | Ciel et Espace

... Research . ... There is mounting evidence that AGN feedback is important in galaxy evolution. Radio-mode feedback is thought to be particularly significant because the mechanical action of the expanding lobes provides a strong coupling mechanism between AGN energy and the surrounding environment. In order to quantify this feedback, detailed models of radio lobe evolution are required. ... Cambridge, UK - Nov 2013 . PDF . Poster for Modern Radio Universe conference . ...

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• Galaxy Evolution: Radio sources and their environments
• The history of star formation and mass assembly in early-type galaxies
• The history of star formation and mass assembly in early-type galaxies Bojan

New Opportunities 2010 and Beyond: The High-Energy/Radio Connection High Energy Missions Timeline XMM, Suzaku.. ... Hard X-ray Sky EXIST Wide-Field Hard X-ray Imaging: EXIST ·~20X more sensitive than Swift or INTEGRAL and cover full sky ·Detect ~104 sources, 10 positions, 3-600 keV spectra ·unique temporal survey: full sky imaging each orbit High Energy Telescope HET (10-600keV) (6 x 3 coded aperture telescopes; 131o x 65o FoV) Low Energy Telescope LET (3-30 ...

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• REU Science Area
• The Search for HVCs in Other Galaxies
• New Results Confirm Dark Galaxy Existence

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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• Cosmology FAQ: Why haven't the CMBR photons outrun the galaxies in the Big...
• A candidate young galaxy?
• Optically detected galaxies with POSSI-E in the "zone of avoidance. I-V

... 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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• Newton's theory of "Universal Gravitation"
• Do Frogs Exist there Too ?
• High Energy Particles

... Posts tagged ?host galaxy? ... Without an optical afterglow, a galaxy within the 2 arc second error region of a GRB x-ray afterglow is identified as a host galaxy; however confusion can rise due to the facts that 1. the edge of a galaxy is diffused, 2. multiple sources could exist within 2 arc second error region, 3.the distance between the galaxy and the x-ray afterglow is measured by projection, and 4. lensing causes increase of brightness and position shifts. ... ArXiv] GRB host galaxies, Aug. ...

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• The AstroStat Slog Blog Archive [ArXiv] GRB host galaxies, Aug. 10, 2007
• The galaxy M100
• The AstroStat Slog Blog Archive [MADS] Mahalanobis distance