Astronomy Picture of the Day . ... Credit Copyright: Space Shuttle Columbia , STS58 , NASA Explanation: Here lived one of the greatest thinkers in human history. Aristarchus lived on the Greek island of Samos, a small island in the center of the above picture that can be identified with a good map . Aristarchus, who lived from 310 BC to 230 BC, postulated that the planets orbited the Sun - not the Earth -- over a thousand years before Copernicus and Galileo made similar arguments. ...

... Telescopes . ... The time requests are accepted in an electronic version with on-line form in Russian or English. ... Unregistered request will be disregarded by the Large Telescopes Programm Committee. In exclusive cases the secreatry of the Committee is entitled to accept an observational time request given permission of the Chairman of the Committee or the director of the SAO RAS. The Program Committee considers generally one time request submitted by the principal applicant. ...

... The SAO ( Smithsonian Astrophysical Observatory ) Summer Intern Program is a Research Experiences for Undergraduates (REU) program where students work on astrophysics research with an SAO/Harvard scientist. ... On-line Application Form -- is OPEN for the 2016 SAO Summer Intern Program . ... SAO Summer Intern Program . ... Recent SAO Summer Intern Program Events . ... June 2015 . ... For more information about the SAO Summer Intern Program and other programs/opportunitities that may be of interest: ....

... Prof. V.G. Farafonov, chair of Applied Mathematics . ... Prof. V.V. Karjukin . ... Voshchinnikov N.V., Farafonov V.G. (1993) Optical properties of spheroidal particles. ... PDF file ] . ... PostScript file ] . Farafonov V.G., Voshchinnikov N.V., Somsikov V.V. (1996) Light scattering by a core-mantle spheroidal particle. ... Farafonov V.G., Il'in V.B., Prokopjeva M.S. (2003) Light scattering by multilayered particles: a set of methods. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... August . ... Posted on August 3, 2015 | 1 Comment August, itтАЩs one of our favourite months of the year. Whether youтАЩve been on your summer holidays or not, August is a month to relax, and have fun with family [ ] . Continue Reading.. ... 1 Comment In August the Summer Triangle continues to dominate the seasonal sky. ... Posted on November 6, 2013 | ... Posted on September 27, 2013 | ... Posted on August 30, 2013 | ...

... Previous: Data Archives . ... Dynamic Dynamic Queries (DDQ) . ... Access to Data Sources and the ESO SkyCat Tool . ... A Java Interface For SkyView . ... Java, Image Browsing, and the NCSA Astronomy Digital Image Library . ... QDB: An IDL-Based Interface to LASCO Databases . ... Astronomical Information Discovery and Access: Design and Implementation of the ADS Bibliographic Services . A. Accomazzi, G. Eichhorn, M. J. Kurtz, C. S. Grant, and S. S. Murray . ...

... The package includes a new ``hybrid'' symplectic integrator capable of handling close encounters, described at the conference: The Impact of Modern Dynamics in Astronomy , Namur, Belgium (Chambers 1998). ... NRC Research Associate, NASA/Ames Research Center , Moffett Field CA, USA, planetary accretion, formation of the asteroid belt and extra-solar planets. ... G.Laughlin and J.E.Chambers (2002) Astronomical Journal, , in press. ... American Astron. ... Home page of planet hunters Marcy and Butler ....

The Arcetri Spectral Code for thin plasmas . E.Landi M.Landini 1998, A , 133, 1 . CHIANTI - an atomic database for emission lines. ... E.Landi, M.Landini K.P.Dere, P.R.Young, H.E.Mason, 1999, A , in press . ... E.Landi M.Landini, 1998, A , 340, 265 . ... E.Landi, G.Del Zanna, E.R.Breeveld, M.Landini, B.J.I.Bromage, C.D.Pike, 1998, A , in press . ... M.Landini, A.Brkovic, E.Landi, I.Ruedi, S.Solanki, 1998, Sp.Sci.Rev., in press . ... E.Landi, H.E.Mason, M.Landini, 1998, Sp.Sci.Rev., in press . ...

Valentina Klochkova .

... Na - number of occulting satellite 2. Np - number of occulted satellite 3. ... Y(0) - difference of the planetocentric rectangular coordinates ( occulting satellite minus occulteded one) in the event plane ( see reference ), km 12. ax - the coefficient required for application of the coordinates X(0), Y(0) ( see reference ) 13. ay - the coefficient required for application of the coordinates X(0), Y(0) ( see reference ) 14. bx - the coefficient required for ...

... During all period of our investigations Dr. N.Sumzina from the Institute of Applied Astronomy of RAS had prepared the Numbered Minor Planet positions from MPC Database for our processing with kind permission of the Director of Minor Planet Center Prof. Braian Marsden. ... Our extensive processing of the MPC data allows us to conclude that CCD observations of the Numbered and Unnumbered Minor Planets have the errors, sometimes very crude. ...

Dear Colleagues, As you know, JENAM-2007 will take place in Yerevan, Armenia. ... JENAM-2007 will consist of 6 Plenary sessions (invited reviews on hot topics of modern astrophysics, 8 EAS Symposia, and 7 Special Sessions (SPS). ... The opening and closing sessions, EAS symposia and special sessions will be organized in the conference halls and auditoria of the Yerevan State University (YSU). ... The proceedings of the JENAM-2007 will be published in the EAS proceedings series in 2008. ...