... Gas in Thermodynamic Equilibrium Conditions. Stellar Spectrums. Physical Basis of Spectral Classification of Stars. ... The Sun. General Stellar Feature of the Sun. ... Distribution of Brightness in Solar Disc. ... Chromosphere - Observations on Limb and Disc of the Sun, Basic Elements of Structure, Spectrum, Physical State. ... Solar Corona - Observation, Structure, Spectrum, Polarization, Dynamics, Rotation, Physical Condition. ... Interstellar Dust. ... Two Groups of Big Planets. ...

... Bad Astronomy . ... Mad Science . ... Site Info . ... Public Talks . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Who is this guy who calls himself "The Bad Astronomer?" ... First, yes, I am a real live astronomer (when people ask me what astronomers do, I tell them "They astronom !" ... These are emitted by powerful objects like black holes, exploding stars, and super-dense neutrons stars. ... Finally, am I really a bad astronomer? ... 2008 Phil Plait. ...

The Star called the Sun. The Sun as the star . ... The visible star value . ... Spectrum class . ... 149 597 870 km . ... The Solar energy sourse is the core transformation of the Sun, where temperature is 15 000 000 K. The energy from inside is carried by irradiation and then in the external layer with 0,2 Ra of thikness - by convection. ... The Earth, situating far from the Sun (149 mil km), receives about 2.1017 W of the Solar beam energy (see item "The Solar constant" ). ...

. F IGURE . 6. Reconstruction of the distribution of Z for four groups of stars at the Solar Galactocentric distance within a column with a 80 pc 2 square base. See the caption for Fig.2 for a description of the plots for the four groups (a-d). The solid curve and Z 0 values have the same meaning as in Fig.5c . discussion in the text | previous figure .

... Capability of space means for the solution of problems of military character . ... Classification and functions of space systems of military purpose(assignment) . ... Ground complex of maintenance of launch and control of space vehicles . ... Capability of space systems of optical reconnaissance . ... Complexes topographical and earthresource shooting on base of "Zenit" space vehicle . ... Space vehicle for optical-electronic reconnaissance . ... System with space vehicle on low-altitude orbits . ...

... Далее при достижении определенной температуры в центре звезды загорается гелий, а водород продолжает гореть в слоевом источнике и т.д. Уравнения использованные в этой программе достаточно очевидны: во первых это уравнение генерации энергии в ядерном синтезе около центра звезды, во вторых перенос энергии к поверхности излучением и конвекцией, уравнение гидростатического равновесия (в котором газовое давление и давление излучением уравновешиваются гравитацией) и уравнение сохранения массы. ...

. ПО АЛФАВИТУ . ПО ДАТЕ ОБНОВЛЕНИЯ

Last modified: January 2002 . This site is maintained on a best efforts basis by members of the VSOP team. ... These pages contain links to many WWW sites. All such links are provided for reference purposes only. ISAS does not necessarily endorse or in any way recommend any of the organisations accessible from these Web pages. ... The image above is a stylized form of the Japanese word `koko', written in the hiragana script. ... 3-1-1 Yoshinodai, Sagamihara . Kanagawa 229-8510, JAPAN . ...

Russian version of HP . ... StarCalc is the fastest professional astronomy planetarium & star mapping program for Windows 9x/ME/NT/2000/XP (StarCalc version for PocketPC computers you can found here ). ... Extensibility : This program is based on common "Plugin StarCalc interface to catalogs and object groups", which allows program to add new modules as Plugins. ... Welcome to the Pocket StarCalc Home Page: . ... Some bugfixes in eclipses" and line" plugins - see the new versions in downloads page. ...

... Tour Objects Tours can be created using objects from within the Autostar database or a user can enter in different objects (such as a newly discovered comet). ... Automatic Mode: As the user advances to each object, the title of the object appears on line 1 of the display while its descriptive text automatically starts scrolling across line 2. ... For example: STAR "Rigel" LANDMARK az alt "title" "description" Enter the azimuth (az) for the desired object in the following format xxxdxxmxxs. ...

... STYLE TYPE= text/css A.wr { color :#3399FF; font -size:10pt; font -weight:bold; font -family:Arial,Verdana,Geneva;text-decoration:none;} A.wr:hover { color :white;background- color :blue;} /STYLE DIV STYLE= width :100%;border:1px #3399FF solid align = left p align = left A CLASS =wr ... OPTION> <optgroup label="Разгон"> <OPTION VALUE="dispersal.htm">Разгон в домашних условиях</OPTION> </SELECT> Рядом разместим ссылку на главную страницу. ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

Общая Астрономическая Конференция > Практика > Астрономическая фотография > Архив конкурсов астрофото > Голосование: КОНКУРС АСТРОФОТО лето 2012 . ... Просмотр полной версии : Голосование: КОНКУРС АСТРОФОТО лето 2012 . ... monstr (http://www.starlab.ru/member.php?u=13840) M57 в водородном фильтре. подробно (http://www.starlab.ru/showpost.php?p=458107&postcount=2) . ... pavel1913 (http://www.starlab.ru/member.php?u=15098) m8, m20 подробно (http://www.starlab.ru/showpost.php?p=458549&postcount=3) . ...

... 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. ...