... Credit Copyright: Robert Gendler Explanation: Big and beautiful spiral galaxy M81 , in the northern constellation Ursa Major , is one of the brightest galaxies visible in the skies of planet Earth. This superbly detailed view reveals its bright nucleus, grand spiral arms and sweeping cosmic dust lanes with a scale comparable to the Milky Way . ... Scrutiny of variable stars in M81 (aka NGC 3031) has yielded one of the best determined distances for an external galaxy -- 11.8 million light-years. ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2014 November 19 . Bright Spiral Galaxy M81 . ... Explanation: One of the brightest galaxies in planet Earth's sky is similar in size to our Milky Way Galaxy: big, beautiful M81 . ... This superbly detailed view reveals M81's bright yellow nucleus, blue spiral arms, and sweeping cosmic dust lanes with a scale comparable to the Milky Way . ...

Our publications in 2002 year Kniazev, A. Y.; Grebel, E. K.; Pustilnik, S. A.; Pramskij, A. G. American Astronomical Society, 201st AAS Meeting, #52.23; Bulletin of the American Astronomical Society, Vol. 34, p.1195 (12/2002) . ... N.; Pustilnik, S. A.; Kniazev, A. Y.; Elmegreen, B. G.; Larsen, S. S.; Alfaro, E. J.; Hodge, P. W.; Pramsky, A. G.; Richtler, T. Astronomy and Astrophysics, v.389, p.855-870 (07/2002) . ... 253-253 (02/2002) . ... 24P (01/2002) . ...

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We explore variations in dust emission within the edge-on Sd spiral galaxy NGC 4631 using 3.6-160 ЮМm Spitzer Space Telescope data and 450-850 ЮМm JCMT data with the goals of understanding the relation between PAHs and dust emission, studying the variations in the colors of the dust emission, and searching for possible excess submillimeter emission compared to what is expected from dust models extrapolated from far-infrared wavelengths. ...

home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... ASP Conference Series . Monograph Publications . IAU Publications . ... Publications of the ASP (PASP) . ... Mercury Magazine . ... Order Mercury Issues . Mercury Advertising Rates . ... ASP E-mail Newsletters . ... Astronomy Beat . ... Mercury Magazine Contents . ... November/December 2001 . ... The Sky Is Falling . ... Focus on Education, Jodi Asbell-Clarke . On-line Astronomy Education . ...

... November 9, 1999 . Spiral Galaxies in Collision . ... the Hubble Heritage Team ( AURA / STScI / NASA ) . ... Until then, spiral galaxies NGC 2207 and IC 2163 will slowly pull each other apart, creating tides of matter, sheets of shocked gas , lanes of dark dust , bursts of star formation , and streams of cast-away stars . Astronomers predict that NGC 2207, the larger galaxy on the left, will eventually incorporate IC 2163, the smaller galaxy on the right. ... About APOD > . ...

... 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. ...

... Milky Way Bulge . Marina's List of Publications . ... News, Images and Press Releases . ... 22 July 2014: Hubble/ESA Science Release about the results published in the Astrophysical Journal article by Rejkuba et al. Part of the VVV view of the bulge of the Milky Way from ESO's VISTA , Image release (ESO/VVV Survey, D. Minniti, I. Toledo) was part of the Science release: The Peanut at the Heart of our Galaxy - ESO telescopes create the best 3D map yet of central bulge of the Milky Way . ...

... NGC 253 . ... Dickey, Brinks, Puche 1992 . ... Koribalski 1996 . NGC 660 . ... Baan, Rhoads, Haschick 1992 . NGC 1068 . ... Baan Haschick 1983 . ... Ondrechen van der Hulst 1989 . ... Schmelz, Baan, Haschick 1987 . ... narrow . van Gorkom et al. ... Crane, van der Hulst, Haschick 1982 . ... van der Hulst, Golisch, Haschick 1983 . ... Schmelz, Baan, Haschick 1988 . ... Baan, Henkel, Haschick 1987 . ... Baan Haschick 1990 . ... Haschick Baan 1985 . ... Wiklind et al. (molecular absorption) . ...

... 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....

GALAXIES cenA .tiff 40 Bright Radio Galaxy M31.tiff Nikon Andromeda Galaxy (note HII regions in spiral arms) ngc6744.tiff 40 NGC 6744 a face-on spiral clouds_20d.tiff H'blad The Magellanic Clouds our nearest neighbours Lmc_7.tiff Nikon The Large Magellanic Clouds Lmc_zoom.tiff Nikon Detail of previous image smc_7.tiff Nikon The Small Magellanic Clouds smc-zoom.tiff Nikon Detail of previous image 30dor_40_BVR.tiff 40 The 30 Dor ... B [OIII] Halpha trifid.tiff 40" The Trifid Nebula. ...

Supernova 2005df in NGC 1559 . This page is devoted to information on Supernova 2005df in NGC 1559 . Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. ... Siding Spring Obs images This is a directory of several FITS images . ... Image Credit . ... Ted Dobosz image . 2005/08/05 . ... Berto Monard image . ...

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. ...

... NGC 1530 is one of the largest barred spiral galaxies in the northern sky, with bright CO emission. ... To trace molecular gas, we observed the line, with the IRAM Interferometer. ... Properties of NGC 1530 and observational results . ... Then in a frame rotating with the potential, the periodic orbits are ellipses either parallel to the bar ( ) or perpendicular ( ), depending on the radius of the orbit. ... We observed the molecular gas in the bar of NGC 1530, a barred SBb spiral in the line. ...

... Recherche dans le site : . Ciel Espace, le magazine qui vous guide toujours plus loin . ... 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 NGC 3521, une spirale floconneuse dans le Lion . ... A la une . ... D†йcouverte en 1784 par William Herschel, la galaxie spirale NGC 3521 d†йploie ses bras €л pelucheux €Ё †а 35 millions d'ann†йes-lumi†иre de la Voie lact†йe. ...

... Robert L. Stewart (Brigadier General, USA, Ret.) ... SPECIAL HONORS: Awarded Army Distinguished Service Medal , Defense Superior Service Medal , 2 Legion of Merit, 4 Distinguished Flying Crossed, a Bronze Star, a Meritorious Service Medal , 33 Air Medals, the Army Commendation Medal with Oak Leaf Cluster and V Device, 2 Purple Hearts, the National Defense Service Medal , the Armed Forces Expeditionary Recipient of NASA Space Flight Medal (1984 & 1985). ...

This year's annual display of the Leonid meteor shower occurs during the interval 15th to 20th November, with the broad peak of activity occurring during the night of Friday 18th and Saturday 19th. ... David Asher of the Armagh Observatory and Robert McNaught have calculated that a further enhanced peak will occur at 4.45am on Sunday, 19th November when a rate of up to 120 faint meteors per hour may be visible in a dark sky for a brief period. ... Last Revised: 2006 November 14th . ...

... V.V.Makarov, V.P.Reshetnikov, V.A.Yakovleva . Photometric study of the peculiar galaxy NGC 2685" . ... eds.), Tallinn, 1989, p.19 . ... Press, 1994, p.272-273 . ... A.A.Mullari, V.V.Orlov, St.Petersburg Univ. ... conference, St.Petersburg, 1997, p.168-169 . ... All-Russian Astronomical Conference, Book of Abstracts, . ... in "Astronomy: traditions, present, future", V.V.Orlov, V.P.Reshetnikov, N.Ya.Sotnikova (eds.), St.Petersburg University Press, 2007, p.92-115 (in Russian) . ...

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