... The first task assumes the searching for chemical composition and sizes of particles which give the wavelength dependence of the extinction efficiencies close to the observed dependence of . Figure 7: Wavelength dependence of the extinction efficiency factors for homogeneous spherical particles of different sizes consisting of astronomical silicate and amorphous carbon. The dashed segment shows the approximate wavelength dependence of the mean galactic extinction curve at optical wavelengths. ...

How Do Children Learn? ... Here we propose an innovative approach to children's learning, one that integrates the transmission, constructivism, and social constructivism models by having teachers present some of the fundamental concepts involved in astronomy education at the elementary level. ... learn the story . ... Before presenting sample stories and curricular ideas, we must discuss some of the impediments, pedagogical and professional, to teaching and learning astronomy at the elementary level. ...

... Астрофорум - астрономический портал ? ... Астрономические наблюдения (Модераторы: LeMay , Александр Репной , Грудцын Алексей ) ? Расчет вспышек искусственных спутников Земли . ... Ответ #60 : 03.08.2006 [14:12:09] ? ... Цитата: ctac от 03.08.2006 [14:46:40] Надо еще проверить вспышку от 30.07.2006 в 22:51 на позиционый угол - нужны координаты . ... Цитата: Novik от 03.08.2006 [20:11:12] Net! прилагаю файлы, которыми пользовался при расчете Astronomer'ской "TERRA flares" . ...

University Satellites and . Space Science Education . ... A SERIES OF ATLASES ON METHODS OF SPACE IMAGES INTERPRETATION AS A NEW TOOL FOR REMOTE SENSING EDUCATION IN EARTH SCIENCES . ... Special manuals in the form of atlases of satellite images and their interpretation results are within the best tools for support of the geographical and ecological research and thematic mapping. ... Skobeltsyn Institute of Nuclear Physics, Moscow State University, 2005-2006 . ...

Magnetic Stars, 2011, pp. 410 ­ 414 Stars with Discrepant v sin i as Derived from the Ca I I 3933 and Mg I I 4481 ° Lines A z Zverko J.1 , Zinovsky J.1 , Iliev I.2 , Barzova I.2 , Romanyuk I.3 , Kudryavtsev D.3 , ґ 3 Semenko E. 1 2 3 Astronomical Institute, Slovak Academy of Sciences, Tatranskґ Lomnica, Slovak Republic a Institute of Astronomy, NAO Rozhen, Sofia, Bulgaria Special Astrophysical Observatory, Nizhny Arkhyz, Russia Abstract. ... 3 First Results HD 2913 Teff = 11 120 K, log g = 4.31. ...

RadioAstronomy department of SAI was found in 1953 by prof I.S. Shklovsky. The basic direction of our works is development of new methods and devices for astronomical observations in different spectral regions, making observations and its interpretations. Department includes: laboratory RATAN-600, Infrared Group and several another scientific workgroups, that leads any big different projects. ... Go back to RadioAstronomy Dept ] . Andrew A. Martis . martis @ sai.msu.ru . ...

On messages from extraterrestrials. On the appearance of stars. ... In a life raft adrift at sea. ... On ambiguities in interpretation of data. On the difficulties of object classification. ... On the difficulties faced by astronomy educators. On advertising. ... More on messages from extraterrestrials. Last modified: Thu Sep 2 15:40:56 CDT 1999 ...

... Theoretical Astrophysics, data analysis and interpretation, . ... PhD 1994 in Astrophysics . ... Department Number . 01 (Theoretical Astrophysics) . ... Astro Space Center . ... Telephone Number . 7(095) 333 3366 . FAX Number . 7(095) 333 2378 . ... abelob@lukash.asc.rssi.ru . ...

... Theoretical Astrophysics, data analysis and interpretation, . ... PhD 1994 in Astrophysics . ... Department Number . 01 (Theoretical Astrophysics) . ... Astro Space Center . ... Telephone Number . 7(095) 333 3366 . FAX Number . 7(095) 333 2378 . ... abelob@dpc.asc.rssi.ru ...

. This image shows an artist's interpretation of a hot, Jupiter-like extrasolar planet circling very close to its sun. The planet is as hot as fire on one side, and as cold as ice on the other, a condition which may hold true for HD 149026b. NASA / JPL-Caltech / T. Pyle

... Submitted by Paul Valleli on 11/03/2009 10:52:59 . ITEAMS 1st Light (for Paul) . At the end of October '09, I got access to the robotic telescopes of the ITEAMS project - a 5-inch automatic scope with cooled CCD detector. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... UFOs and Fringe Science . ... By admin March 23, 2011 Posted in: UFOs and Fringe Science . ... Those who support the idea of alien visitations, are often dismissive of invoking Venus as an explanation of UFO sightings, but in my personal experience many people are unfamiliar with the night sky and the idea that planets can be seen with the naked eye comes as a surprise. ... So there you are, I have revealed five secret identities of the UFO s, no little grey men yet, perhaps one dayтАж . ...

... For brevity, Navigator will refer to Netscape's Navigator product (which in later versions was renamed "Communicator" and various other names), and MSIE will refer to Microsoft's Internet Explorer product. ... Apache as of version 1.2 is an HTTP/1.1 server (with an optional HTTP/1.0 proxy). ... All versions of Navigator from 2.0 through 4.0b2 (and possibly later) have a problem if the trailing CRLF of the response header starts at offset 256, 257 or 258 of the response. ...

... Spherical aberration, coma, and astigmatism are also easily observed using the star test. ... Off-axis images are complex. ... Fig. ... Diffraction by a circular aperture as a function of defocus for no aberration Airy Disk 1 wave defocus Less than 1 wave defocus Fig. ... Diffraction by a circular aperture as a function of defocus for third-order spherical aberration Paraxial Focus Small distance inside paraxial focus Moderate distance from marginal focus Immediate neighborhood of marginal focus Fig...

Journal of the Amateur Astronomers Association of New York September 2007 Volume 55 Number 9, ISSN 0146-7662 EYEPIECE Astronomy Enters the New World of iPods and Podcasts By Edward J. Fox "Pods" have always been a part of space jargon and space lore. ... DAVE: "My God...it's full of stars!" ... On September 8 from 8 p. m. to midnight, area astronomy clubs will gather at Custer Institute for a star party. ... New telescopes are coming online all the time, and most are amateur telescopes," Ferris notes. ...

... VaST is a software tool for finding variable objects on a series of astronomical images. ... VaST performs object detection and aperture photometry using SExtractor on each image, cross-matches lists of detected stars, performs magnitude calibration with respect to the first (reference) image and constructs a lightcurve for each object. ... VaST FITS image viewer ./pgfv . ... Part I" PZP, vol. ... K. V. Sokolovsky, S. A. Korotkiy; "New Variable Stars Discovered by the NMW Survey" PZP, vol. ...