... Edge On Galaxy NGC 5866 . ... Credit Copyright: Hunter Wilson Explanation: Why is this galaxy so thin? Many disk galaxies are actually just as thin as NGC 5866, pictured above , but are not seen edge-on from our vantage point. One galaxy that is situated edge-on is our own Milky Way Galaxy . ... Although similar in mass to our Milky Way Galaxy , light takes about 60,000 years to cross NGC 5866 , about 30 percent less than light takes to cross our own Galaxy. ... Nearby Spiral Galaxy NGC 4945 . ...

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• M83: A Barred Spiral Galaxy
• C153 Takes the Plunge
• XWare > APOD

Astronotes Armagh Planetarium's Stellar Blog! ... Planets . ... Our Galaxy . ... Earth Satellites . ... August . ... Posted on March 4, 2016 | No Comments We live in a galaxy тАУ a star city with several hundred billion residents. ... Continue Reading.. ... Posted on September 27, 2013 | ... Posted on August 30, 2013 | 1 Comment тАЬMars is red, Earth is Blue, WeтАЩve discovered lots of new worlds, And one of them is blue too!тАЭ So IтАЩm not a poet and I definitely know it! ...

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• Our Galaxy | Astronotes - Part 5
• ESA | Astronotes - Part 2
• ESO | Astronotes - Part 2

Today's APOD | ... Editor's choices for the most educational Astronomy Pictures of the Day about our Milky Way Galaxy: . APOD: 2005 October 4 - The Milky Way in Stars and Dust . Explanation: The disk of our Milky Way Galaxy is home to hot nebulae, cold dust, and billions of stars. ... The thin disk of our home spiral galaxy is clearly apparent, with stars appearing white and interstellar dust appearing red. ... Explanation: Most bright stars in our Milky Way Galaxy reside in a disk. ...

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• APOD: 2006 June 12 - Edge On Galaxy NGC 5866
• APOD: 2016 March 9 - Edge On Galaxy NGC 5866
• APOD: September 26, 1999 - M83: A Barred Spiral Galaxy

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
• Galaxy Gallery Page IV: The Movies

... Feeding the Monster: Gas Caught in its Death Spiral into a Massive Black Hole . ... Stromlo Professor Mike Dopita have used the Hubble Space Telescope to discover how a massive Black Hole in a nearby galaxy feeds itself. ... Earlier Hubble Telescope data obtained by another team member, Professor Holland Ford of Johns Hopkins University in Baltimore, Maryland, had found a disk of gas rushing around the Black Hole at a speed of 500 kilometers a second. ...

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• Julie Banfield | Astronomer
• GSAOI Disk Galaxies Science Page
• CHIAKI's Research

... We still have a long distance to cover before we leave the Milky Way Galaxy -- tens of thousands of lightyears, as a matter of fact -- so let's stop by some interesting objects on the way. ... But we have reached the edge of the Milky Way Galaxy. ... We don't know, but we do know that there are countless voyages left to take. To continue the virtual voyage beyond our galaxy, go to Kent Cheatham's "A Walk in the Stars" at http://www.ionet.net/~cheatham/astro/astrotour.shtml . ...

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• ASP: An Ancient Universe - The Age of Light from the Most Distant Galaxies
• ASP: Big Clusters, Tiny Galaxies
• ASP: An Ancient Universe - Overview

... 50 Weirdest Objects . ... Get to Know the Night Sky . ... Picture of the Day . ... Observing springtime deep-sky objects with a large telescope . ... How can the Hubble Space Telescope (HST) take pictures of objects light-years away but not get a good picture of Pluto? ... At its distance, it subtends a smaller angle on the sky than does a galaxy at a distance of billions of light-years. Get instant access to subscriber content on Astronomy.com! ... Get full access to StarDome PLUS . ...

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• Galaxy vs. home lighting | Astronomy.com
• Guiding the light | Astronomy.com
• Scientists identified galaxies at 600 million light-years after the Big Bang in

... This is a false color image of HR 4796A composed of visible and near-IR light (blue=STIS, green=1.71 micron, red=2.22 micron). It's red color is caused by dust grains that scatter light poorly in the visible and very efficiently in the near-IR. This images shows the debris disk around HD 61005, and a model of debris disk dust grains being blown by and interstellar wind. This work was a Goddard web feature (look there for a cool movie showing one of the models). ...

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• Dust Attenuation in Late-Type Galaxies. I. Effects on Bulge and Disk Components
• Roelof's Publications
• Dust disk around a black hole in galaxy NGC 7052

Our publications in 1996 year . Lindner, U.; Einasto, M.; Einasto, J.; Freudling, W.; Fricke, K.; Lipovetsky, V.; Pustilnik, S.; Izotov, Y.; Richter, G. Astronomy and Astrophysics, v.314, p.1-12 (10/1996) . Thuan, Trinh X.; Izotov, Yuri I.; Lipovetsky, Valentin A . ... Edited by Daniel Kunth, B. Guiderdoni, M. Heydari-Malayeri, and Trinh Xu Thuan, 1996., p.607 . ... Edited by Daniel Kunth, B. Guiderdoni, M. Heydari-Malayeri, and Trinh Xu Thuan, 1996., p.587 . ... Thuan, Trinh Xuan; Izotov, Yu. ...

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• "Structure" publications for 1997 year
• "Structure" publications in 2002 year
• "Structure" publications in 1998 year

An image of the grand design of spiral galaxy M100 obtained with NASA's Hubble Space Telescope resolves individual stars within the majestic spiral arms. ... Hubble has the ability to resolve individual stars in other galaxies and measure accurately the light from very faint stars. This makes space telescope invaluable for identifying a rare class of pulsating stars, called Cepheid Variable stars embedded within M100's spiral arms. ... 617) 495-7062 . Fax: (617) 495-7356 . ...

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• dictionary
• The AstroStat Slog light curve

... Bristow, P. D. & Phillipps, S., 1994. ... Close-out and Final Improvement Of HST POA FOS/BLUE Archived Data'' , Alexov A., Bristow P., Kerber F., Rosa R., 2002, ASP Conf. ... Modelling Charge Transfer on the STIS CCD'' , Bristow P., Alexov A., Kerber, F. and Rosa, A, 2002, in HST Calibration Workshop, STScI, p176. FOS Post Operational Archive and STIS Calibration Enhancement'' , Rosa, A, Alexov A., Bristow P. and Kerber, F., 2002, in HST Calibration Workshop, STScI, p162. ... AJ 131 ,1445, 2006. ...

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• Los Cielos de Am , The darkest sky and the two galactic hemispheres
• The Very Large Telescope Project
• Marina Rejkuba's Web Site

... 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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• NGC 2915: The Darkest Spiral Galaxy
• HIPASS Bright Galaxy Catalog
• The Dark Blue Compact Dwarf Galaxy NGC 2915

... 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
• List of publications
• The Stellar Content and Distance to the Nearby Blue Compact Dwarf Galaxy

... 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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... 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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... STScI-PR95-08 HUBBLE SHEDS LIGHT ON THE "FAINT BLUE GALAXY" MYSTERY Astronomers using NASA's Hubble Space Telescope have solved a 20-year-old mystery by showing that a class of galaxy once thought to be rare is actually the most common type of galaxy in the universe. ... These faint galaxies were randomly imaged as part of a key Hubble Space Telescope project, called the "Medium Deep Survey." ... At the faintest limits more than half the galaxies seen are such systems." ...

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• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/Edge.txt
• Dust evolution across the CO snowline in a protoplanetary disk
• Hubble Provides Multiple Views of How to Feed a Black Hole (PRC98-14)

... Conjunction Over Armagh . ... Comet and Pleiades . ... Pleiades . ... Antares Region . Helix and Cat's Eye Nebulae . Orion Nebula . Lagoon and Eagle Nebulae . Crab Nebula . ... Our Galaxy Core . Andromeda Galaxy . Wide-field and Zoomed-in Galaxies . Interacting Typhoons and Galaxies . Spiral Galaxy M106 . Sombrero Galaxy . Whirlpool Galaxy . Colliding Galaxies . ... й Miruna Popescu, Armagh Observatory ...

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• Armagh Observatory
• Black Holes
• M. de Groot, Senior Research Associate

Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The Sun Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic Evolution ... So far, one planet has been studied by this method. ...

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• http://www.aaa.org/s932/images/09fallclass3.pdf
• http://www.aaa.org/s932/images/09fallclass1.pdf
• http://www.aaa.org/s932/images/09fallclass4.pdf

... 2014: . Suppression of cooling by strong magnetic fields in white dwarf stars . ... 69, 439, 2014. Evidence of supercritical accretion in SS433 . ... We discovered a flat portion (white noise) in the power spectrum of SS433 due to an abrupt increase of the disk thickness in the supercritical region. ... Both the hard X-ray radiation and the visual light are seen reflected from the walls of the funnel that forms in the wind of the supercritical disk of SS433. ... Archive . ...

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• Galaxy sector, archive 2010
• Galaxy sector, archive 2004
• Galaxy sector, archive 2008

... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

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