... Credit Copyright: Lorand Fenyes Explanation: A jewel of the southern sky , the Great Carina Nebula , also known as NGC 3372, spans over 300 light-years, one of our galaxy's largest star forming regions. ... The Carina Nebula is home to young, extremely massive stars, including the still enigmatic variable Eta Carinae , a star with well over 100 times the mass of the Sun. Eta Carinae is the brightest star near the image center, just left of the dusty Keyhole Nebula (NGC 3324). ...

... 2013 October 15 . The Great Carina Nebula . ... Explanation: A jewel of the southern sky , the Great Carina Nebula , also known as NGC 3372, spans over 300 light-years, one of our galaxy's largest star forming regions. ... Eta Carinae is the brightest star near the image center, just left of the dusty Keyhole Nebula (NGC 3324). While Eta Carinae itself maybe on the verge of a supernova explosion, X-ray images indicate that the Great Carina Nebula has been a veritable supernova factory . ...

Photon Scattering: Basic Principle of Photon Scattering . Audio Narration is available . No Scattering: Photon Source and Detector . ... For optical photons, scattering goes as wavelength to the -4 power. In the case of blue photons compared to red photons, this means that blue photons are about 10 times more likely to get scattered than red photons. ... Watch the blue photons scatter away from the detector . ... Interstellar dust make stars appear redder than they really are . ...

... GOODS unites extremely deep observations from NASA's Great Observatories, Spitzer , Hubble , and Chandra , ESA's Herschel and XMM-Newton , and from the most powerful ground-based facilities, to survey the distant universe to the faintest flux limits across the electromagnetic spectrum. ... The space-based observations are complemented by ground-based imaging and spectroscopy, including extensive commitments of ESO and NOAO observing time. ... 2010-04-10: Deep VLA 1.4 GHz data for GOODS-North . ...

... News . ... Supernova showered Earth with radioactive debris . ... What is the average time for dust discharged from a supernova to be reconsolidated in part or whole to form a new start? ... A dust grain ejected when a massive star explodes as a supernova can follow a few different paths. One possibility is that it will leave its host galaxy entirely as part of a galactic wind. ... Get instant access to subscriber content on Astronomy.com! ... LATEST NEWS . ...

... ATNF Home . About ATNF . ... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . Time Assignment Committee . Australia Telescope User Committee . ... Our people overview . ... Publications overview . ... Careers overview . ... ATNF facilities . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Mopra radio telescope . ... Science & Technology . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ...

... G. A Leikin, A. N. Sanovich. Sternberg Astronomical Institute, Moscow 119899, Russia. Brown University - Vernadsky Institute Microsymposium 34, October 8-9, 2001, Moscow, Russia . ... G. A. Leikin and A. N. Sanovich, Sternberg State Astronomical Institute, Moscow State University, . ... Brown University - Vernadsky Institute Microsymposium 38, October 27-29, 2003, Moscow, Russia . ... Sternberg State Astronomical Institute, Moscow, State University, 119992, Moscow, Universitetskij prosp. ...

... October 6, 09:00 09:40 . Jorge Melnick (ESO) . ... We present a statistical and temporal analysis of the ground meteorological properties recorded at the five selected sites for hosting the European Extremely Large Telescope (EELT). ... Marc Sarazin (ESO) . The organization and development of the E-ELT site testing campaign by ESO are described. ... The E-ELT Site Testing activities in northern Chile and Argentina are reviewed, and pioneering explorative campaigns are illustrated. ...

... Science . ... Science Users Information > Observing with ESO Telescopes > Telescope Time Allocation > GTO Programmes . ... Guaranteed Time Observations . ... Publications with ESO Data . ... ESO Data . ... Period 98 (1 October 2016 - 31 March 2017) . Period 97 (1 April 2016 - 30 September 2016) . Period 96 (1 October 2015 - 31 March 2016) . Period 95 (1 April 2015 - 30 September 2015) . Period 94 (1 October 2014 - 31 March 2015) . Period 93 (1 April 2014 - 30 September 2014) . ...

Supernova 2009js in NGC 918 . This page is devoted to information on Supernova 2009js in NGC 918 . 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. Discovered independently by Lick Observatory Supernova Search (USA) and Koichi Itagaki (Japan). ... 2009/10/11.44 . 17.2 . ... Joseph Brimacombe . ...

... October 11, 1999 . Eta Carinae in X-Rays . Credit: Chandra X-ray Observatory , NASA . Explanation: Eta Carinae is the one of the most luminous star systems in our Galaxy , radiating millions of times more power than our Sun . Eta Carinae is also one of the strangest star systems known, brightening and fading greatly since the early 1800s. Recently, the Chandra Observatory observed Eta Carinae in X-ray light , adding even more unanticipated pieces to this enigmatic puzzle. ...

... GMT Monday, October 25, 1999 at 14:56:07) Swatch sells a watch that tells "Internet Time", and in my opinion they are only preying on the ignorance of the masses, to make a buck. ... The 24 hours of a day are divided into 1000 beats: 1 beat = 1 minute 26.4 seconds. ... One world - one time. ... It's been around for years and is also known as Greenwich Mean Time, and also Zulu Time. ... Further, conventional time is based on a basic understanding of the natural world around us. ...

Russian Version ( KOI-8 , Win ) . Institute of Astronomy of the RAS . ... Self-consistent simulation of chemical and dynamical evolution of protostellar clouds . Chemical evolution of galaxies . ... Soon after my birth I was moved (I was not able to move on my own in those times, you know) in Novouljanovsk, small town to the south of Uljanovsk. ... Since that time my life and work is bound to the Institute of Astronomy of the Russian Academy of Sciences. ... Back to the INASAN home page . ...

home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... ASP Conference Series . ... Publications of the ASP (PASP) . ... Mercury's Time to "Shine" . ... As seen from Earth, three celestial bodies sometimes pass in front of the Sun: the Moon, Venus, and Mercury. And in November, it is Mercury?s turn. ... Transits of Venus are very rare, indeed?none occurred in the entire 20th century?but Mercury transits the Sun about thirteen times every century. ... publications . ...

This is a series of periodic postings by Terry Moseley of the Irish Astronomical Association . ... Issued 2003 December 17th . Mars Dust storms, lecture, TV, Bargain telescope . ... Another aurora? ... Issued 2003 September 30th . ... Issued 2003 September 25th . ... Issued 2003 September 21st . ... Issued 2003 September 14th . ... Issued 2003 September 12th . ... Issued 2003 September 11th . ... Issued 2003 September 10th . ... Issued 2003 September 9th . ... Issued 2003 August 29th . ... Aurora? ...

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... August . ... Posted on October 5, 2015 | 1 Comment Welcome to October! ... Continue Reading.. Posted on September 11, 2015 | ... Posted on August 18, 2015 | ... 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. ... 1 Comment August, itтАЩs one of our favourite months of the year. ...

Astronomy Discussion Forums . ... Great Night 10/24 . ... Post Message | ... Temp in the mid to low 40's, slight wind, pretty clear. ... Very good view of the Double Cluster. ... Normally the best contrast is achieved with the 32mm or 25mm ep. ... This cluster was lower to the horizon and thus now quite as clear as the Double Cluster. ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

This is a study of the interstellar matter associated with the Pleiades star cluster. ... Since that time, the project has been extended to include more thorough tests of dust scattering models, more detailed analyses of the gas kinematics, and power spectrum studies of the multiscale structure of the nebulosity. ... The Pleiades Reflection Nebula. ... Gibson, S. J., & Nordsieck, K. H. 2003, Astrophysical Journal , 589 , 347 . ... B&W preprint: local gzipped PS . Color preprint: local gzipped PS | ...

... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

... Master . Master net Homepage . ... MASTER-Amur . ... Amb: . Dust: . ... Direct . 23s . ... 45s . ... observed area: . best limit: . Cameras . ... MASTER-Tunka . ... MASTER-Ural . master.kourovka.ru . ... MASTER-Kislovodsk . ... MASTER-Crimea . ... MASTER-SAAO . ... MASTER-IAC . ... MASTER-Argentina . master.sai.msu.ru:8080 . master.sai.msu.ru . ...