... As its June 6 2012 transit begins Earth's sister planet crosses the edge of the Sun in this stunning view from the Hinode spacecraft. ... This dramatic telephoto view across the Black Sea on June 6 finds Venus rising with the Sun, the planet in silhouette against a ruddy and ragged solar disk. ... Venus Transit 2012 . ... Milky Way Galaxy Doomed: Collision with Andromeda Pending . ... The rare transit of Venus across the face of the Sun in 2004 was one of the better-photographed events in sky...

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... Tonight's Sky . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

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• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,
• Animations of icy planet formation | Astronomy.com
• Everything around us is spinning: particles, planets, stars, galaxies. Why not

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2013 April 16 . Grand Spiral Galaxy M81 and Arp's Loop . ... Studied in the 1960s, Arp's loop has been thought to be a tidal tail , material pulled out of M81 by gravitational interaction with its large neighboring galaxy M82 . But a subsequent investigation demonstrates that at least some of Arp's loop likely lies within our own galaxy . ...

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• APOD: 2004 April 9 - NGC 4565: Galaxy on the Edge
• APOD: 2008 April 17 - Messier 63: The Sunflower Galaxy
• APOD: April 9, 1998 - Quasar in an Elliptical Galaxy

... Armagh Planetarium . ... Universe . ... October . ... Posted on October 21, 2010 | No Comments Galaxies, distant from us in space and time, have been in the news recently. ... No Comments If you love great articles on space and astronomy you are probably already following the Carnival of Space. ... Hello, IтАЩm Colin, welcoming you to Astronotes, the PlanetariumтАЩs official blog. Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

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• Astronotes | Armagh Planetarium's astronomy news from across the Universe
• Our Galaxy | Astronotes - Part 5
• Armagh Planetarium's Stellar Blog!

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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• Astronomy Plus CCD Images of Galaxies
• The Galaxy Gallery: Messier Objects
• galaxies, Hubble sequence

... Abstract . ... Daniel Wang, University of Massachusetts . A Paschen-Alpha Study of Massive Stars and the ISM in the Galactic Center . ... Revealing the Physical Nature of Infrared Luminous Galaxies at 0.3 . ... NICMOS imaging of submillimeter galaxies with CO and PAH redshifts . ... HST FUV Observations of Brightest Cluster Galaxies: The Role of Star Formation in Cooling Flows and BCG Evolution . ... HST NICMOS Survey of the Nuclear Regions of Luminous Infrared Galaxies in the Local Universe . ...

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• HST this week: 110
• HST this week
• Space to Dream - Racine Journal Times, 27 April 2004

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Life Under the Moon . ... Seeing Jupiter's Moons . ... Time Zones and the Spherical Earth . A Companion to the Earth? ... December 19, 1999) . ... Big Moon, Little Moon . ... How Big is the Moon? ... 14, 2000) . ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...

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• Phil Plait's Bad Astronomy: Bad News

HIPASS Name RA, DEC(J2000) l, b NED ID peak rms mom0 vsys w50 w20 vLG MHI Ref. ... Col(1,2) = HIPASS name (HIPASS Jhhmm-dd; A,B,C if needed) . Col(3,4) = HIPASS center position in RA, DEC (J2000) . ... NGC6822 0.490 Mpc (Mateo 1998) . DDO210 0.880 Mpc (Mateo 1998) . NGC0055 1.480 Mpc (Mateo 1998) . ... ESO594-G004 1.060 Mpc (Mateo 1998) . IC5152 1.590 Mpc (Mateo 1998) . WLM 0.925 Mpc (Mateo 1998) . NGC3109 1.250 Mpc (Mateo 1998) . SextansA 1.440 Mpc (Mateo 1998) . ...

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• The HIPASS Bright Galaxy Catalog
• HIPASS Bright Galaxy Catalog
• The HIPASS Bright Galaxy Survey

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Three sixth-form students from St Patrick's Grammar School, Armagh , used the Faulkes Telescope South in Australia in April to observe and measure HW Virginis , an unusual "binary" or double star system suspected to host one or two extrasolar planets orbiting the central stellar pair. ... Armagh Observatory and associated researchers hope to develop this work to look for further evidence of planet-hosting binary star...

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• Terry Mosely's Bulletins
• May 2002 Planetary Alignment
• ASTRONOMICAL PHENOMENA FROM MARS

... April 2, 1999 . Stars of NGC 206 . ... Explanation: Nestled within the dusty arms of the large spiral galaxy Andromeda (M31), the star cluster NGC 206 is one of the largest star forming regions known in our local group of galaxies. The beautiful bright blue stars of NGC 206 betray its youth - but close, systematic studies of variable stars in and around NGC 206 will also accurately reveal its distance. ... About APOD > . ...

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• APOD: 2000 April 4 - A Superwind from the Cigar Galaxy
• Dust evolution across the CO snowline in a protoplanetary disk
• INAF - Arcetri Astrophysical Observatory

... The SN 1998bv discovered on April 6, 1998 in the blue compact galaxy HS 1035+4758 is the second supernova observed in a low-mass galaxy with intense SF burst. ... According to its characteristic spectrum, SN 1998bv is a type II supernova with estimated peak absolute brightness M 16.3. The very slow fading of its brightness suggests that the SN was discovered at the Plateau phase, 20-30 days after the peak of the light curve. The most probable classification of SN 1998bv is regular SN II-P. 3. ...

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• Emission-line galaxies
• Supernova 1998bv in HS1035+4758
• First results from follow-up spectroscopy with the NOT

Astronomy Discussion Forums . Forums: . Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... Discussion Forums . ... Brightest Northern Hemisphere Galaxy . Forum List | ... Post Message | ... In which constellation would I find the brightest galaxy in the northern hemisphere? ... www.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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• Percentage Of Stars With Planets Revised Upwards! - an Astronomy Net Seti Forum
• Moon, Planets And Aurora, Oh My! - an Astronomy Net Article
• The Astronomy Shop - Posters - by Astronomy Net

... Well, there are at least a million times more galaxies in the Universe than there are human beings! ... These newcomers are bigger and brighter than anything else in space, and if that wasn't interesting enough, they also glow bright green! This has led astronomers to name them 'green bean' galaxies (look at the little green bean-like spot in the middle of this space picture). ... We think that they shine so brilliantly because of a black hole at their centre. ...

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• ESOcast 80: Follow a Live Planet Hunt! | ESO
• ESO - Newsletter April 2016
• Los Cielos de Am , The darkest sky and the two galactic hemispheres

... Dept. for Astrometry & Space Geodynamics . ... Dept. for Physics of Stars&Galaxies . ... Dept. for Physics of Planetary Systems . ... Science . ... All Pages . ... Research of the stars with planets which pass apparent star disk (transiting exoplanets). The transit method based on a detection star brightness decrease during a passing of planet in front of its disk. Observed brightness system decries when planet pass star disk and its volume depend of the relative sizes star and planet. ...

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• Internet telescope

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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• Carl Schurz Park ? Amateur Astronomers Association of New York
• Best Celestial Events of 2006 ? Amateur Astronomers Association of New York
• Deep Sky Images by Joe DiNapoli ? Amateur Astronomers Association of New York

... The Impact of HST on European Astronomy . ... These range from the study of nearby planets, the processes of star and planet formation, the stellar and interstellar components of galaxies, the discovery that most, if not all, galactic nuclei harbor a massive black hole that profoundly affects their evolution, to the realisation that the universe as a whole is undergoing acceleration as a result of a yet unknown form of dark energy . ... Formation, structure and evolution of galaxies . ...

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... The bright supernova (hereafter SN) in the galaxy NGC 4527 was first sighted by S. Knight (USA) on April 13.17UT at magnitude ~14.0v. The report of the sighting was subsequently forwarded by phone to the AAVSO. ... SN 1991T. The galaxy NGC 4527 is an Sb(s)II type galaxy with an apparent Blue magnitude of 11.32 (Shapley-Ames, 1981). ... An analysis of this event utilizing visual observations by amateurs, plus a light curve is presented.. ... THE LIGHT CURVE: . ... ISN SN 1991T web page . ...

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• Supernova 2004gt in NGC 4038
• Supernova 1999bw in NGC 3198
• Supernova 2005ew in anonymous galaxy

... ROTATION CURVE: When studying spiral galaxies it is invariably found that the stellar rotational velocity in the disk remains constant, or "flat", with increasing distance away from the galactic center. ... The rotation speed of the stars in galaxies is found NOT to decrease with increasing distance from the galactic center (see emission lines in the spectrum), implying that the overall mass distribution of the galaxy is different from the light distribution. ...

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• Siding Spring Survey Follow-up Obs
• ASTR1002 Assignments 4-6: Planet Ziggy
• Philip Lah's Research

An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . THE ANCIENT UNIVERSE . c) The Age of Light from the Most Distant Galaxies: The "Time Machine" Effect . ... Thus we are actually seeing these galaxies not as they are today, but as they were billions of years ago. ... The Universe: An Overview | ... The Ancient Universe - The Age of the Expanding Universe - The Age of the Oldest Stars - The Age of Light From Distant Galaxies - The Age of the Chemical Elements | ...

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• ASP: Sharing the Universe
• ASP: An Ancient Universe - Overview
• ASP: Exploring Venus

... 2004: . ... An increase in star brightness is followed by a decrease in asphericity and wind velocity to the point where stationary and even accreting fraction of the wind appears in extremely bright objects together with a flowing out fraction. ... Based on an analysis of observations obtained with BTA and on the published data it was found that degree of abnormality of energy distribution in continuum of magnetic chemically peculiar stars increases with an increase of their rotation period. ...

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• Multi-Spin Galaxies ? 2016
• important_en
• Lack of Dwarf Galaxies in the Local Volume Compared to Conventional Cosmology