... WFPC2 , HST , NASA Explanation: The layers of the Saturn Nebula give a complex picture of how this planetary nebula was created. The above picture , taken in April 1996 and released last week, allows a better understanding of the mysterious process that transformed a low-mass star into a white dwarf star . A computer model indicates that the central star of NGC 7009 first expelled the green gas that now appears barrel shaped. ... Publications with keywords: Saturn - planetary nebula . ...

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• Mars to Appear Normal this August
• The Helix Nebula from CFHT
• NGC 5307: A Symmetric Planetary Nebula

... December 30, 1997 . NGC 7009: The Saturn Nebula . ... WFPC2 , HST , NASA . ... The above picture , taken in April 1996 and released last week, allows a better understanding of the mysterious process that transformed a low-mass star into a white dwarf star . A computer model indicates that the central star of NGC 7009 first expelled the green gas that now appears barrel shaped. ... Tomorrow's picture: NGC 5307: A Symmetric Planetary Nebula . ... About APOD > . ... NASA Technical Rep.: ...

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• APOD: December 31, 1997 - NGC 5307: A Symmetric Planetary Nebula
• APOD: 2011 August 16 - Shapley 1: An Annular Planetary Nebula
• APOD: August 9, 1998 - Shapley 1: An Annular Planetary Nebula

... Circumstellar disc of beta Pictoris: constraints on grain properties from polarization. To appear in the Astronomy & Astrophysics . abs , src , ps ] . ... Dust influx to Titan from Hyperion . ... abs ] . ... Characteristics of bulges and disks in interacting galaxies . ... Dust grains around Herbig Ae/Be stars: porous, cometary-like grains? ... To appear in the Astronomy & Astrophysics Supplement . ... Finally, Links may lead you to more options (e.g. via the LANL preprint system). ...

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... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Visitor list . ... Parkes radio telescope . ... Parkes | ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... What is a pulsar? ... Group . ... Parkes Pulsar Observing Wiki . ... Pulsar Groups . ... Main / . ... Nov 1, 2010 - Jan 31, 2011 . ... Dec 8 - 17, 2009 . ... Dec 13 - 23, 2006 . ... Dec 3, 2006 - Jan 5, 2007 . ... Aug 10 - Dec 7, 2006 . ... Dec 31, 2005 - Feb 1, 2006 . ...

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• Near-infrared millihertz variability of the wisps and jet in the crab pulsar
• Pulsar Group Main/Visitors
• | Pmcal / RecentChanges

... 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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... Laboratory for Spectroscopy of Molecular Structures . ... News . ... A new article entitled Description of optical properties of cholesteric photonic liquid crystals based on Maxwell equations and Kramers-Kronig relations has appeared in Physical Review E. Congratulations to Grigoriy Ksyonz on his first publication! . 25 th February 2013 . ... 22 nd November 2012 . ... 22 nd February 2012 . 4 th Workshop on Liquid Crystals for Photonics 2012 will take place in Hong Kong December 9-11, 2012. ...

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... STScI-PRC97-38b HUBBLE'S PLANETARY NEBULA GALLERY NGC 7009 has a bright central star at the center of a dark cavity bounded by a football-shaped rim of dense, blue and red gas. ... The handles are clouds of low-density gas. NGC 7009 is 1,400 light-years away in the constellation Aquarius. ... It is an example of a planetary nebula with a pinwheel or spiral structure; each blob of gas ejected from the central star has a counterpart on the opposite side of the star. ...

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• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ISM/Twinjet.txt
• Arcetri Star-Formation Group Publications
• APOD: August 17, 1999 - A Crescent Sunrise

... Main . ... April 2016 . ... December 2015 . November 2015 . October 2015 . September 2015 . August 2015 . July 2015 . June 2015 . May 2015 . April 2015 . March 2015 . February 2015 . January 2015 . December 2014 . November 2014 . October 2014 . September 2014 . August 2014 . July 2014 . June 2014 . May 2014 . April 2014 . March 2014 . ... December 2013 . ... April 2013 . ... December 2012 . ... April 2012 . ...

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• RadioAstron site, english version

Title: A Dark-Matter Spike at the Galactic Center? Authors: Piero Ullio , HongSheng Zhao , Marc Kamionkowski . ... Title: The Galaxy Environment of Quasars in the Clowes-Campusano Large Quasar Group at z~1.3 . ... Title: The Galaxy Environment of a Quasar at z=1.226: A Possible Cluster Merger . ... 16 matches for the search pattern galaxy environment . The URL for this page is: http://xxx.itep.ru/find/astro-ph/1/galaxy+environment/0/1/0/past,all/0/0 www-admin@xxx.lanl.gov ...

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• astro-ph abstracts (body) search for 'dichotomy' all years (1992-2001)

Our publications in 2007 year Pustilnik, S. A.; Tepliakova, A. L.; Kniazev, A. Y.; Burenkov, A. N.; SAO; Russia; SAAO; Africa, South . eprint arXiv:0712.4205, submitted to Astrophysical Bulletin (SAO) (12/2007) . Pustilnik, S. A.; Tepliakova, A. L.; Kniazev, A. Y. eprint arXiv:0712.4007, submitted to Astron.Lett (12/2007) . ... Kniazev, A. Y.; Pustilnik, S. A.; Zucker, D. B. eprint arXiv:0707.4285, submitted to MNRAS (07/2007) . ... eprint arXiv:0707.4288 (07/2007) . ...

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• HyperLEDA documentation: catalogue of internal kinematics
• "Structure" publications for 1997 year
• "Structure" publications in 1999 year

... GSAOI Home . ... Picture Gallery . ... NIFS Cryostat and integration frame, as GSAOI will appear . NIFS cryostat, as GSAOI will appear . Cryostat in integration frame . Optical layout . ... Mechanical layout . ... Input beam splitter . ... Instrument integration ...

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• Helmut Jerjen
• Emma Kirby
• publications

home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . Books . ASP Conference Series . Monograph Publications . IAU Publications . Books of Note . ... Publications of the ASP (PASP) . ... Mercury Magazine . ... Order Mercury Issues . Mercury Advertising Rates . ... ASP E-mail Newsletters . ... Astronomy Beat . ... Mercury Magazine Contents . ... July/August 2001 . ... Surveying Our Home Galaxy . ... Annals of Astronomy, Clifford J. Cunningham . ...

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• ASP: Contents, July/August 2002
• ASP: Articles on Education from Mercury Magazine
• ASP: Contents, July/August 1995

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Although the comet itself never comes dangerously close to the Earth, the particles of dust that it has shed during its many past passages through perihelion found their way into the Earth's atmosphere, appearing as meteors in the cold December sky. ... Animation 1 . ... An Ursid meteor captured by the Armagh Observatory's NE-facing meteor camera in the early morning of 23rd December. ... Meteor Showers Online . ...

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• M.D. Smith, Research Astronomer
• Geminid Meteors
• The Twins' Meteors, Geminid Meteors

European . ... Observatory . ... Science . ... Science Users Information > Science Publications > Archive of the ESO Enews > ESO-Enews #1: August 2006 . ... Data Handling and Products . ... ESO Data . ... Details at: http://www.popsud.org/elt2006/index.php . ... Details at: http://www.eso.org/science/projects/ukidss/index.html . ... More details at: http://www.eso.org/gen-fac/adm/pers/vacant/ESO_Director_General_2006.pdf . ... Details can be found at: http://www.eso.org/gen-fac/adm/pers/vacant/ . ...

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• ESO - Archive of the ESO Enews
• ESO - ESO-Enews #10: August 2008
• ESO - ESO-Enews #16: August 2010

... The Pleiades star cluster, also known as the Seven Sisters and Messier 45, is a conspicuous object in the night sky with a prominent place in ancient mythology . ... The stars in the Pleiades are thought to have formed together around 100 million years ago, making them 1/50th the age of our sun, and they lie some 130 parsecs (425 light years ) away. ... Data for these stars are listed in a table below. ... Yes . ... WEBDA Pleiades cluster data . ... M45: The Pleiades Star Cluster (2007 November 18) ...

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• Radar Images of asteroid 1998 ML14
• Asteroid 1998 ML14 1998 Aug 14-17
• First Galfa H I Map

The form on this Web page allows specifying a celestial position for which the full 4x4 degree NVSS FITS image is desired. ... Other services of the NVSS survey include: . ... NVSS Postage stamp (small FITS or jpeg file) server . direct ftp to NVSS 4x4 deg. FITS image and documentation server . NVSS source catalog and software ftp server - but please note that you will need to schedule an overnight job for a quiet time slot to download the 150Mb CATALOG.FIT file to avoid timeouts etc. ...

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• Publication List
• ALMA Phase Calibration Techniques at the Cavendish Astrophysics Group

... Abstract . ... The ACS optical/far-red image of the Hubble Ultra Deep Field . ... Since then, there have been numerous other observations, including Hubble's images of proplyds (protoplanetary disks) in the Orion Cluster, and Hubble and Spitzer observations of edge-on disks in other young stars. ... The program will combine ultraviolet observations with the WFC3/UVIS camera on HST with GALEX UV data for 5 lenses spanning as broad range of black hole masses. ... Past weeks: . ...

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• The Ever-changing Circumstellar Nebula around UW Centauri
• HST this week: 222
• HST previous weeks

. Home . Documentation . Watchouts . Help . Calibration . Installation . Software requirements . Download . Notice that SOC-only packages like deceit, newsiam, odfcheck, etc , may appear listed in the list of all packages but no documentation is available for any of them. SAS User's Guide . HTML . PDF . PS . HEASARC ABC Guide (not up to date) . HTML . PDF . ps.gz . Pages maintained by SAS librarian . Any question about SAS should be addressed to the XMM-Newton help desk . Updated on: August 31, 2007

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• Comment
• History

... Armagh Planetarium . ... Universe . ... Continue Reading.. ... 2 Comments After entering the Twittersphere in 2010 Armagh PlanetariumтАЩs online presence has grown over the past few years encompassing the Astronotes blog and Facebook accounts. ... No Comments In July 2015 Belfast Met opened its doors to budding astronauts, pilots and app geniuses with a new series of STEM summer camps. ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

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• stellar nursery | Astronotes
• Why is this nebula so shocking pink? | Astronotes
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... Telescopes . ... The International Conference "Dark Ages and White Nights (Spectroscopy of the CMB)" (June 20-24, 2016) . ... The International Conference "Stars: from collapse to collapse" (October 3-7, 2016) . The traditional annual competition conference of scientific and scientific-engineering papers of the Observatory staff members . ... A session of the Dissertation Council (October 16, 2015) . ... International scientific conference "Large Optical Telescopes" (October, 10-13, 2011) . ...

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• Galaxy sector, archive 2004
• SAO RAS home page