... Information about a variety of different calendars for different cultures (e.g., Christian, Jewish, Muslim, Chinese, Hindu etc.) ... In addition, the Chinese had two different ways of interpreting and observing celestial events. One way the Chinese used astronomy was known as lifa; it was a discipline that aimed to understand the regularities and the predictable events in the celestial system through careful, observations, measurements and records. ... back to Teachers' Newsletter Main Page ...

Crater Gassendi . ... I made this drawing was made on the 26th of november 2001. If you compare this one with the previous drawing of Gassendi (below) the differences are clear. ... This drawing was made on the 28th of september 2001. After nearly a full month without observations I had a one hour gap between the thicker clouds. ... This drawing was made on the 29th of august 2001. ... This drawing was made on the 27th of august 2001. ... This drawing was made on the 25th of august 2001. ...

In this chapter we will consider an example of visual expert system written on the Actor Prolog language. ... There are a lot of methods of oil field bed stimulation that increase output of the oil production: thermal, physical-chemical, gas, microbiological, and others. ... Fig. ... The Top-Most diagram consists of three blocks: the "Describe parameters of hydrocarbon field" block, the "Check adaptability of existed methods of oil production" block, and the "Display solution" block. ... Gas methods. ...

... Field size . Object name . ... Map size . ... Field size: the approximate size of the map in the Y direction. ... Galaxies: . ... Galaxies, which size exceeds some value depending on the field and map sizes, are displayed with their real positional angles and sizes by 25m isophote. ... In the "tools" fields there are links to the several famous AVO (Astrophysical Virtual Observatory) resources: NED and Simbad databases and DSS2 (Palomar Digitized Sky Survey) images of the corresponding sky area. ...

... In the left part of the screen the items of ephemeris menu are situated. To the right one can see corresponding settings. In case the newly introduced settings are incompatible with each other or with other ones (it can be the result of improper change of previously existed setting or, what is virtually the same, result of violating the order from top down in which settings must be introduced) the warning notice appears on screen and conflicting settings are marked by special symbol. ...

. To display the command history list enter the command: history . This displays a list of commands numbered in the order in which you have used them. By default the previous 128 commands which you have used are saved. Changing the size of the command history . Saving command history between logins . Re-running a command from the history list . Previewing a command from the history list . Editing a previous command line .

The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...

The revision of the MASS/DIMM star catalogue N. Shatsky, V. Kornilov March 16, 2008 Abstract The compilation of the (updated) version of the MASS (MASS/DIMM) device target catalogue is described. ... Then the list was cleaned according to following criteria: I. Remove stars too faint for a MASS device. ... Here the color equation of the Sternb erg device was taken: M AS S mag = V mag + 0.45 (B - V ); stars with M AS S mag > 3.2 were removed. ... This was made based on the GCVS4.2 catalogue data. ...

NAME apachectl - Apache HTTP server control interface SYNOPSIS apachectl command [.. DESCRIPTION apachectl is a front end to the Apache HyperText Transfer Protocol (HTTP) server. It is designed to help the adminis- trator control the functioning of the Apache httpd daemon. NOTE: If your Apache installation uses non-standard paths, you will need to edit the apachectl script to set the appropriate paths to your PID file and your httpd binary. See the comments in the script for details. ...

MARS-96 . ... Scientific goals . ... At the end of the 1980's, the successful broad scientific exploration program of Venus was fulfilled, the successful mission to Halley Comet was completed and the mission to Phobos, having limited success, was also realized, At this time, Mars was chosen as the main object for future planetary exploration within the Russian Space Program. ... Earlier missions to Mars showed that this planet in its earlier history was much more similar to the Earth than that is now. ...

Next: Navigation Pre-Observation Products . ... SRT (Space Radio Telescope) Schedule (SRS) File . ... What: GOCG generates the Space Radio Telescope (SRT) schedule file, or SRS file, from current GSTS file. The SRS file has more precise time stamps than long-term schedules, and also designates which GTS will be used when. ... The SRS file also serves as the antenna pointing schedule file, as it describes the planned orientation of the spacecraft (and solar panels) as a function of time. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . ... Monthly Sky Notes . ... By admin January 21, 2011 Posted in: Robot Exploration . A UFO hovers in the Martian sky (Image credit:NASA/JPL) . The car-sized Mars Science Laboratory Curiosity is too heavy to slam into the rocky plains of Mars encased in airbags like its predecessors, so this imaginative and complex system was devised instead. ... Is there a video anywhere on the internet of a test of the ?sky crane? rockets? ...

REPORT ON THE PIERRE DELIGNE FELLOWSHIP, 2011 SERGEY OBLEZIN During 2011 I have been working on developing a representation theory approach to mirror symmetry and quantum cohomology of homogeneous spaces, associated with Lie groups of classical type. According to Givental the glN -Whittaker functions, being solutions to the quantum cohomology D-module QH (FlN ) of the complete flag variety FlN = GLN (C)/B , describe the corresponding equivariant Gromov-Witten invariants of FlN . ...

Logon . ... Events . ... Display upcoming events only . ... Event . ... Apr 14, 2016 . From the Great Wall to the Great Collider: China and the Quest to Uncover the Inner Workings of the Universe . Details.. Jun 16, 2016 . ... Click on the calendar row to view more details . Logon to view additional events . Logon to post a follow-up comment or review comments from others . ... Calendar . ... Astro Events . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... LOC will arrange transportation of Conference participants from the Kazan airport to the hotels. ... According to the rules, everyone has to go through passport control and customs upon arrival at their first stop in Russia (in the most cases it is Moscow). ... If you have a direct flight to Kazan then passport control will be in Kazan. ... First eROSITA International Conference: Mapping the Structure of the Energetic Universe 17-20 Oct 2011, Garmisch-Partenkirchen (Germany) . ...

... Next, the screen displays "Press 0 to align or Mode for Menu." Press "0" if you wish to begin Automatic alignment (or Easy Align, depending on your telescope model), or press Mode if you wish to choose a manual alignment method ("Automatic Alignment" displays, and you can press MODE to go through the menu to find other alignments). ... Note: If you press the "?" key while "Ctr Brightest Star" displays, the alignment star that AutoStar has chosen will display. ... Alignment successful" displays. ...

... FTP access the basic models is here . ... Below, we put short descriptions of the used SED models for the photometric redshifts providing by the current server . ... The uniqueness of this model consists in expanding to the near IR (NIR) of Rocca-Volmerange and Guiderdoni's (1988) atlas of synthetic spectra with a revised stellar library, which includes parameters of cool stars. ... Homepage of the GISSEL model). ... Another model used earlier is the model of synthetic spectra of Poggianti (1997). ...

As an obligatory preparing for the application to participate in the IAO a short report of National Olympiad of the current year with a set of all problems used on the Olympiad has to be presented by the applicating team. ... The final minutes (protocols written in Latin or Cyrillic in form of tables) of the Olympiad (evaluating of solutions of the students participated in the last stage of the Olympiad) should be included as well. ... Historical data of the National Astronomy Olympiad: . ...

Description and Technical Details . In 1980s two medium-size horizontal solar telescopes 50/35000 cm with large spectrographs Czerny-Turner made by Carl Zeiss Jena were installed in the Ondњejov observatory. The Czerny-Turner-spectrographs in the Ondњejov observatory called HSFA1 and HSFA2 according to the German name Horizontal-Sonnen-Forschungs-Anlage ("horizontal device for solar research") have been explored for more than two decades. ... Diffraction grating - Richardson, Spectra-Physics . ...

... I have always heard that everything we see is "star stuff" from previous stars that died after converting their hydrogen into heavier elements. So how is there any hydrogen left for the Sun and planets? ... Hydrogen is the main source of fuel for stars like the Sun. ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ...