... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . ... Travel to E-ELT Armazones . ... ESO . ... Survey Telescopes . ... Star Clusters . ... Stars@ESO . ... Science in School . ... Catch a Star 2013 . ... The latest issue of Science in School , a free science education journal, is now available. ... Science in School is published by EIROforum , a collaboration between seven European intergovernmental scientific research organisations, of which ESO is a...

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 . ...

2014 May version . ... Green D. A., 2014 , Bulletin of the Astronomical Society of India, 42 , 47-58. ( .pdf , or arXiv.org:1409.0637 ) If you make use of the detailed version of the catalogue, then plaese also cite: . Green D. A., 2014, `A Catalogue of Galactic Supernova Remnants (2014 May version)' , Cavendish Laboratory, Cambridge, United Kingdom (available at "http://www.mrao.cam.ac.uk/surveys/snrs/" ). ... Copyright D. A. Green 2014. 25872nd access to this version of the catalogue. ...

SAI 175 anniversary . ... Moscow University . Search for in SAI Moscow University Search for in Russian astronomical resources . ... SAI Astronomical Databases . ... Browse SAI Software archive(ftp.sai.msu.su) . ASTRONET.RU - Russian Astronomical Network (available in translit also) . ... SAI Supernovae Research Group . ... Department of the Galaxy and Variable Stars (in Russian) . Sternberg Astronomical Institute Seminars . ... All-Russian Astronomical Olympiad (in Russian) . ...

... The European HST Archive has been moved to ESA's European Space Astronomy Centre ( ESAC ), Spain, where most of ESA's Space Science Archives are located and operated from. ... The Space Telescope European Coordinating Facility (ST-ECF), jointly operated by ESA and the European Southern Observatory ( ESO ) was, until the end of 2010, the European HST science facility, supporting the European astronomy community in exploiting the research opportunities provided by the Hubble Space Telescope. ...

... NGC 613: Spiral of Dust and Stars . ... Beginning with a full view of beautiful spiral galaxy M81, follow the insets (left, bottom, then right) to zoom in on a real survivor. ... The Sleeping Beauty galaxy may appear peaceful at first sight but it is actually tossing and turning. ... Unusual Spherules on Mars . ... Announcing Comet C 2002 T7 LINEAR . ... Grand spiral galaxies often seem to get all the glory, flaunting their young, bright, blue star clusters in beautiful, symmetric spiral arms. ...

... Tonight's Sky . ... Observing . ... Sky this Month . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... Deutsches Elektronen-Synchrotron, Hamburg, Germany . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... The exercises are now available on the web and in six booklets (100 pages in total), titled: . ... Exercise 1: Measuring the Distance to Supernova 1987A", . Exercise 2: The Distance to Messier 100 as Determined by Cepheid Variable Stars", . Exercise 3: Measuring the Distance to the Cat's Eye Nebula" and . Exercise 4: Measuring a Globular Star Cluster's Distance and Age". ... More exercises will follow in the future. ... Exercise 3 - Measuring the Distance to the Cat's Eye Nebula . ...

... ESO PR Photo 03a/01 . ... Caption : PR Photo 03a/01 is a colour composite mosaic image of the central part of the Orion Nebula , based on 81 images obtained with the infrared multi-mode ISAAC instrument on the ESO Very Large Telescope (VLT) at the Paranal Observatory. The famous Trapezium stars are seen near the centre and the photo also shows the associated cluster of about one thousand stars, about a million years old. Technical information about this photo is available below. ...

... A song written by Padi Boyd and performed by The Chromatics, specifically for the International Year of Astronomy. ... Some links from press coverage and other websites referencing IYA2009-Ireland. ... The Faulkes Telescopes Universe Challenge will be launched today (Thursday, 8 January) at the BT Young Scientist and Technology Exhibition in the RDS, as part of the Irish celebrations of the International Year of Astronomy 2009. ... International Year of Astronomy, Ireland National Node . ...

... 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. ...

Women Astronomers at ESO 137 WOMEN ASTRONOMERS AT ESO Eva K. Grebel 1. ... Astronomers from all over the world work at ESO. International sta in Europe comprises 150 persons, and 40 persons in Chile (plus 150 Chilean sta ). ... Unfortunately, the published \sta movements" gives an incomplete record|either arrivals, or departures of sta members often are missing, and some persons are not mentioned at all, and position names sometimes do not tell whether a person is an astronomer or not. ...

... The 4th IUCAF School on Spectrum Management offers a comprehensive view of both technical and regulatory issues related to radio astronomers' use of the spectrum. Spectrum management is a task of rapidly growing importance, for radio astronomy as well as for other radio services; however, it is not part of any academic curriculum; radio astronomers have to learn it by doing it. The IUCAF School in Spectrum Management will be an opportunity to profit from the experience of colleagues. ...

... Our Galaxy . ... Space Flight . ... No Comments Dim and isolated, the dwarf irregular galaxy WolfтАУLundmarkтАУMelotte (WLM) could be described as an astronomical тАЬliving fossilтАЭ as it seems to have developed since it formed billions of years ago [ ] . Continue Reading.. ... Posted on November 24, 2011 | ... 3 Comments The astronomy community is excited by the discovery of an exploding star, a supernova, in a galaxy 21 million light years away in the constellation Ursa Major. ...

... A star party is a gathering of amateur astronomers who set up their telescopes and observe the dynamic night sky. ... Star parties are best scheduled during first quarter and waxing gibbous Moon. During full moon, the moon is so bright it obscures a view of other celestial objects and even the Moon is best viewed when NOT full. ... We will consult local weather forecasters and make a decision by 2:00p on the day of the star party. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... International programs . ... Information Consolidation in International Anti-Crisis Management . ... European Diploma Supplement . ... AљDIPLOMA SUPPLEMENT isљaљdocument given toљgraduates ofљhigher educational institutions ofљall forms ofљproperty and subordination toљprovide information required for objective evaluation ofљhigher education qualification (degree) received byљthe person awarded with aљhigher education diploma. ... Copyright 2010 V.љN. Karazin Kharkiv National University. ...

Supernova 2002fk in NGC 1309 . This page is devoted to information on Supernova 2002fk in NGC 1309 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. ... 2002/09/19.848 . ... JM Llapasset image . ... 13.0 . ... Josep M. Bosch . ... Josep M. Bosch image . ... vsnet-campaign-sn 476 ] SN 2002fk in NGC 1309 . ...

European Astronomical Society(EAS): NEWS Dear Colleagues, Please find enclosed some information of interest. ... We would also like to remind you that the time is appropriate to renew your membership for 2006 (see our Web page for procedures). ... And do'nt forget that, in between messages, the latest news can always be found on our Web page: http://www.iap.fr/eas/index.html With kind regards, Michel Dennefeld ************************************************************ Content 1. ...

... 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) ...

... НЕПРЕРЫВНОГО МАТЕМАТИЧЕСКОГО ОБРАЗОВАНИЯ . ... Кружок ?Олимпиады и математика? ... Московская математическая олимпиада . Заочный математический конкурс . ... Устные математические олимпиады . Олимпиады по программированию . Математический праздник . Математические регаты . ... Математические бои . Олимпиада по геометрии им. И.Ф.Шарыгина . ... Программа ?Math in Moscow? Научные конкурсы . Творческий конкурс . ... График олимпиад . ... XXVII Математический праздник . ...