... Saturn's Cloud Tops . ... 17.03.1996 . ... Credit: Voyager 1, JPL , NASA Explanation: This close-up of the tops of Saturn 's clouds was taken by the Voyager 1 robot spacecraft as it passed the giant planet in November 1980. Saturn's clouds are mostly composed of hydrogen and helium gas, but the small addition of other elements gives the clouds their colors. ... A new spacecraft - Cassini - will visit Saturn and is currently scheduled for launch in 1997. ... Publications with keywords: Saturn . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Comets and Asteroids . ... Space Flight . ... August . ... Posted on January 8, 2013 | No Comments This year has started off with perhaps a little more promise than the last, not only did the world not end but a new Mayan calendar has started, mysterious planet [ ] . Continue Reading.. Posted on November 15, 2012 | ... Posted on August 7, 2012 | ... Posted on November 17, 2011 | ... Posted on August 3, 2011 | ... Posted on June 20, 2011 | ...

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Crater Gassendi . ... I made this drawing was made on the 26th of november 2001. If you compare this one with the previous drawing of Gassendi (below) the differences are clear. ... This drawing was made on the 28th of september 2001. After nearly a full month without observations I had a one hour gap between the thicker clouds. ... This drawing was made on the 29th of august 2001. ... This drawing was made on the 27th of august 2001. ... This drawing was made on the 25th of august 2001. ...

... 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). ...

... Archives . ... September 2011 (1) . February 2011 (1) . January 2011 (1) . December 2010 (2) . August 2010 (2) . July 2010 (1) . June 2010 (3) . April 2010 (2) . March 2010 (1) . February 2010 (1) . January 2010 (1) . December 2009 (5) . ... February 2009 (7) . January 2009 (4) . December 2008 (6) . ... February 2008 (11) . January 2008 (11) . December 2007 (12) . ... February 2007 (1) . January 2007 (6) . ... Bad AstroStat (18) . ...

... 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) . ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... News Feed . ... 2009 December 15th . ... Second Wettest November Since 1838 . ... 2009 November 26th . ... 2009 November 24th . ... 2009 November 23rd . ... 2009 November 20th . ... 2009 November 17th . ... 2009 November 13th . ... 2009 November 9th . ... 2009 November 4th . ... 2009 November 2nd . ... Pleasant September . ... Humid August . ... June Sunnier and Warmer than Average . ... March Drier and Milder Than Average ...

... Voyager Spacecraft Introduction (This Page) . ... The twin Voyager spacecraft, over the course of a dozen years, drew back the curtain on nearly half of the solar system . From launch in 1977 through the spectacular parting shots in 1989 of Neptune at the outer reaches of the solar system, this pair of gangly, instrument-laden spacecraft explored four planets -- Jupiter , Saturn , Uranus and Neptune -- as well as tens of moons, and the rings and magnetic environments of those planetary systems. ...

... Telescope . ... 2002B , 2003A , 2003B , 2004A , 2004B , 2005A , 2005B , 2006A , 2006B , 2007A , 2007B , 2008A , 2008B , 2009A , 2009B , 2010A , 2010B , 2011A , 2011B , 2012A , 2012B , 2013A , 2013B , 2014A , 2014B 2015A . 2013B . ... IKI . KFU . ... High Energy Astrophysics Department 2016 IKI RAN ...

... Maintenance and Work Completed on M1: September 10, 1999 . Whiffles Installed on M2: September 10, 1999 . M1 Support System Maintenance: September 10, 1999 . M1 Temperature Sensor Work and Repair: September 10, 1999 . M1 Hex-cell Deterioration: September 14, 1999 . ... M1 Whiffle Mount and M1 Back, September 21, 1999 . ... Views of Secondary Mirror (Back): April 13, 2000 . ... Front Portals: June 8, 2001 . ... M2 and M3 Baffle Work: June 8, 2005 . ... M3 Work: November 7, 2007 . ...

Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... August . ... August, 2013 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...