. Common photo of participants, by I.Salnikov, click to enlarge, 523 kB . Dr. Michael G. Gavrilov, Founding Chairman of the International Astronomy Olympiad, . ISSP of Russ. Acad. Sci., Academician Ossipyan street 2, 142432 Chernogolovka, Moscow region, Russia. URL: http://www.issp.ac.ru/iao/2011/ . e-mail: gavrilov@issp.ac.ru . fax: + 7-(496-52)-28-160 . Updated 06.10.2011.

... It provides for logging of the requests made to the server using the Common Logfile Format. This module has been replaced by mod_log_config in Apache 1.2 The log file contains a separate line for each request. A line is composed of several tokens separated by spaces: host ident authuser date request status bytes If a token does not have a value then it is represented by a hyphen (-). ... day = 2*digit . ... TransferLog . ... Context: server config, virtual host . ... Module: mod_log_common . ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... This shows the Sun, Moon and Earth (not to scale) together with the . ... They have tested the technique on the Earthshine, the light reflected from the Earth by the Moon, and showed that it can reveal the presence of life in our planet. ... This technique uses the fact that the light reflected from the planet is polarised, whereas that emitted by the star is not. ... Polarised light can tell us about the reflecting surface...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. September 22, 1998 . M61: Virgo Spiral Galaxy . ... Explanation: M61 is a barred spiral galaxy located in the nearby Virgo Cluster of Galaxies . Visible in M61 are a host of features common to spiral galaxies : bright spiral arms , a central bar , dust lanes , and bright knots of stars. ... About APOD > . ...

... astro-ph . ... Whitespace-separated words are treated as AND ed. Show 10 50 100 articles per page in Full Compact mode . ... Quasar Variability in the Framework of Poissonian Models . ... It is shown that in this very general framework the well established anti-correlation between variability amplitude and wavelength can only be understood as an effect of an underlying spectral component which remains stable on long time-scales, and is redder than the variable component. ...

Serguei NECHAEV (LPTMS, Paris-11 Orsay): From anisotropic ballistic growth to the search of the longest common subsequence: exact asymptotic results . ... Our result is derived via the mapping of BD and LCS to the exactly solvable (2+1)--anisotropic directed percolation (ADP) and subsequent application of exact results known for the Ulam problem. ...

Sisters and Brothers: if you are reading these pages, please consider voicing your opinion as to what should be added to them, (or perhaps removed, or scorched to ashes), to make them a better account of the common ancestry which we have acquired through dedicating the best and the most of the sober part of our lives to the Studio. ...

... The HH flow associated with young stellar object HL Tau has an exciting history and even until now the origin of some its features is not clear yet. ... Knotty structures of Herbig-Haro jets are common phenomena and knowing the origin of such structures is essential for understanding the processes of jet formation. ... In the flow detected compact knots with high (-150 km/s) and bow shape structures in front of those, with low radial velocities (-50 km/s). ...

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Circling around magnetic field lines. ... The ring current . Because positive ions and negative electrons drift in opposite directions (see drawing), that motion will create an electric current that circulates clockwise around the Earth when viewed from north. ... How then can the radiation belt and ring current arise? ... Electric fields are able to push trapped particles earthward, and unlike the purely magnetic motion described earlier, an electric field can also energize them. ...

International conference . ... 2009 . First announcement . Conference page | ... The Russian Academy of Sciences, the Russian Foundation for Basic Research, Saint Petersburg Scientific Center of RAS, the Institute of Applied Astronomy of RAS invite you to participate in the International scientific conference Asteroid-Comet Hazard-2009 which will be held 21-25 September 2009 in St. Petersburg. ... Top of page . ... Institute of Applied Astronomy of RAS, Russia . ... The Conference ACH-2009 . ...

Gypsum, a common mineral composed of calcium sulfate, lies scattered in this newly-released image of the Olympia Undae region of Mars. ... Made on October 1, 2006, the image covers about 12 square kilometers (7.5 sq. mi.) Gypsum, used commonly on Earth as the substance in wallboard, is a sulfate-rich mineral that forms by evaporation and requires large amounts of water for its formation. In this image, brighter areas contain more gypsum and darker areas less so. ...

. HELLO! HOW ARE YOU? I WONDER! . As you understand, my name is Tanya (KVA - for best friends). My cousin calls me Toussya. My soname is Kondruchenkova. I am seventeen. MY PLANS FOR THE FUTURE .

Next: The STScI NICMOS Calibration Up: No Title Previous: CONICA: The high resolution . The STScI NICMOS Calibration Pipeline . Introduction . ... Dark Current Subtraction . ... Input Data . ... Scalar Background Subtraction . 2-D Background Subtraction . ... Status and Goals of the NICMOS Calibration Plan . ... Photometry . ... Photometric Performance of NICMOS . ... NICMOS Photometry. ... ST-ECF Grism Spectrum Software for NICMOS Grism Data . ... Analysis . ... STScI NICMOS Software . ...

... I normally begin by asking the class what they think would be different if the Moon didn't exist, or if the Sun were closer to Earth, or if a star exploded nearby. ... The winds would be much stronger. ... In using what-if questions in the classroom, it is worth bearing in mind that students extrapolating the effects of new scenarios will encounter two different situations: direct changes to the new version of Earth and indirect changes resulting from the direct changes. ...

... AstroCC is a coordinate conversion utility for astronomy. It accepts an object designation or the coordinates of an object and calculates coordinates in alternative systems, and at different dates, times, and locations. It also provides lunar and bright planet coordinates to aid in planning observations. ... BJD values may also be retrieved from http://astroutils.astronomy.ohio-state.edu/time/utc2bjd.html which is based on Eastman et al. ... Coordinate data are obtained from SIMBAD. ...

The sky inhabitants - the constellations. ... The constellations of Zodiac. The constellations of Zodiac are very popular. ... They were counted from the point of vernal equinox. ... As a result all the Zodiac row of constellations as if displaced in the two positions the count traditionally begings from the constellation where the point of a vernal equinox is. ... That is why the Sun comes to each Zodiac sign two - five weeks before the time when it comes to the constellation of the same name. ...

The Extended Soft Approximation for Spherical Particles A.Y. Perelman St.Petersburg State Forest Technical Academy and N.V. Voshchinnikov Astronomy Department and Sobolev Astronomical Institute, St.Petersburg University Abstract The soft approximation (SA) gives the possibility to obtain the different optical characteristics of particles from the common point of view [1]. As for the Mie theory, they are expressed in terms of the scattering coefficients $a_n$ and $b_n$. ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit†йs . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Exposition des navettes : la Nasa a choisi . ... La plus ancienne navette, et celle qui a le plus voyag†й dans l'espace , sera pr†йsent†йe dans une annexe du mus†йe (le Steven Udvar-Hazy Center, en Virginie), qui expose actuellement Enterprise. ...