... DIGITAL EDITIONS . ... Tonight's Sky . ... The Magazine . ... Observing . ... Magazine . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... True colors . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

... Then there exists a transformation to the new independent variable $s$ and the new Hamiltonian $$\Gamma=\Gamma_0+\Gamma_1,$$ where $$\Gamma_0=\log K_0, \quad \Gamma_1=-\log K_1,$$ $$ K_0=r(H_0+p_4+B_0+\frac{B_1}{r}+\frac{B_2}{r^2}), \quad K_1=r(H_1+B_0+\frac{B_1}{r}+\frac{B_2}{r^2}),$$ $\Gamma=0$ along the trajectory, $B_0, B_1, B_2$ are small constants, and $$ds=\frac{K_0}{r} d t=\frac{K_1}{r} d t =(R+B_0+\frac{B_1}{r}+\frac{B_2}{r^2}) dt. ... Astron. ...

... The lines ( ) are equations: e.g., theoretical expressions for h/M, the Lamb shift, .. Some data are measured, a lot are derived: mp [kg], me [Mev/c2], .. ... for a `theoryґ for QHE steps rational universal relation to Needs for a `theoryґ for QHE steps rational universal relation to h block known from block input : h e NA h·NA h/me output me µB h block h block h block : the most important da t a h block : the most important da t a watt ballance Avogadro ...

... The Theoretcial Astrophysics subroutine library provides constants and functions commonly used in astrophysical modelling. It began in 1992 as a joint project between CCP7 and Starlink, initiated by Simon Jeffery and Paul Rees. ... SUBROUTINE TAP_ESYMB ( IZ, SYMBOL, STATUS ) . ... SUBROUTINE TAP_ENAME ( IZ, NAME, STATUS ) . ... SUBROUTINE TAP_ABINI ( TAP_ABUND, STATUS ) . ... SUBROUTINE TAP_ERROR ( TAP_ROUTN, NAME, TEXT, STATUS ) . ... SUBROUTINE TAP_ERREP ( TAP_ROUTN, STATUS ) . ...

... int iscntrl( int c) - True if c is a control character . int isdigit( int c) - True if c is a decimal digit . int isgraph( int c) - True if c is a graphical character . int islower( int c) - True if c is a lowercase letter . int isprint( int c) - True if c is a printable character . int ispunct ( int c) - True if c is a punctuation tolower(int c) - Convert c to lowercase. int toupper(int c) - Convert c to uppercase. ...

Общая Астрономическая Конференция > Форумы общей направленности > Любые вопросы от новичков . Посоветуйте с регистаксом нубу . ... Поиск . ... true tolimanin . ... Sky-Watcher MAK180 на EQ-5 , 20Х60 , 10Х50 , , Шмидт-Кассегрен 118 мм на EQ-3 , рефрактор Carl Zeiss 70Х 1202 mm , первый серьезный инструмент , сейчас в отставке. true tolimanin . ... Отправить личное сообщение для true tolimanin . Найти еще сообщения от true tolimanin . ... нубу - это что? ... Нуб-это я в регистаксе. ...

Stellarium 0.12.3 . ... Classes . ... LabelMgr Class Reference . ... intљ . labelObject (const QString &text, const QString &objectName, bool visible=true, float fontSize=14, const QString &fontColor="#999999", const QString &side="E", double labelDistance=-1.0, const QString &style="TextOnly") . ... labelScreen (const QString &text, int x, int y, bool visible=true, float fontSize=14, const QString &fontColor="#999999") . ... setLabelText (int id, const QString &newText) . ... virtual voidљ . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Moon . ... Space Flight . ... April . ... June . ... Posted on April 7, 2016 | 2 Comments Armstrong and Aldrin were the first two people on the Moon when Apollo 11 landed there in July 1969. ... Continue Reading.. ... Posted on September 3, 2015 | ... Posted on August 18, 2015 | ... Posted on June 25, 2015 | ... No Comments June is finally upon us, and the summer is officially in full swing. ... Posted on May 22, 2015 | ...

... For instance, one can write . ... This is not an equation but an identity , an expression true for any three numbers (a,b,c). ... Identities do not add any information about the quantities which they contain, because they are true whatevers their values may be. They are however useful in reshuffling equations to new, cleaner forms. The identity written on top is actually one of the basic properties of numbers ("the distributive law"). ... a 2 + 2ab + b 2 . ... Again, the two last identities . ...

... For instance, one can write . ... This is not an equation but an identity , an expression true for any three numbers (a,b,c). ... Identities do not add any information about the quantities which they contain, because they are true whatevers their values may be. They are however useful in reshuffling equations to new, cleaner forms. The identity written on top is actually one of the basic properties of numbers ("the distributive law"). ... a 2 + 2ab + b 2 . ... Again, the two last identities . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Mad Science . ... Site Info . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... In space, astronauts cannot cry, because there is no gravity, so the tears can't flow!" ... He confirmed that astronauts can indeed cry in space. ... So the real question is why would an astronaut cry in space in the first place? ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...

... V.V.Shevchenko, Sternberg State Astronomical Institute, Moscow University, Universitetsky 13, Moscow 119899, Russia, shev@sai.msu.ru . ... 1.Sternberg State Astronomical Institute, 119899, Moscow, Russia. shev@sai.msu.ru . ... V.V.Shevchenko, Sternberg State Astronomical Institute, Moscow University, Moscow 119992, Russia, shev@sai.msu.ru . ... 119992 Moscow, Russia; . ... 2Sternberg Astronomical Institute, Moscow University, Moscow, 119992, Russia, . ... Moscow, 119992, Russia shev@sai.msu.ru . ...

If an object emits a total power (energy per unit time) L (L for luminosity), this radiation will spread outward into space, becoming more spread-out and diffuse as it goes. ... If an object receives more heat than it dissipates, then its temperature will rise. ... Any object at a temperature above absolute zero will radiate energy. ... A is the surface area of the black body, T is its temperature, and s = 5.67 « 10 -8 Wm -2 K -4 (the Stefan-Boltzmann constant). ...

.

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яЛП . PubliУ? le 23/08/2014 par Patrice Le guen . Date : 05/08/2013 . Lieu : Valdrome . MatУ?riel de prise de vue : QSI583WSG FSQ106 EM200 MaximDL . Commentaires : Filtres ASTRODON True RGB 4 pose de 1min pour chaque filtre - M4 et NGC6144 . Date : 05/08/2013 . Lieu : Valdrome . MatУ?riel de prise de vue : QSI583WSG FSQ106 EM200 MaximDL . Commentaires : Filtres ASTRODON True RGB 4 pose de 1min pour chaque filtre - crop sur M4

. The solar time is a time determined by the Sun's hour angle changing. There is a true solar time and a medium solar time depending on what the Sun (true or mean) the time counting is made. Back .

... Twelve individuals out of thirty-seven outstanding applicants were chosen to participate in the 2005 program, which offered Spitzer research time to high school science teachers. Spitzer Science Center Director Thomas Soifer says, "We wanted to bring the Spitzer Space Telescope mission to the classroom, and give this great opportunity to teachers and students from all over the country." ... Spitzer's science teachers are using this technology to bring real scientific research into the classroom. ...

Atm 2 ospheric time constant with MASS and FADE 0 A. Tokovinin CTIO, Chile Adaptive Optics time constant 0 = 0.314 r0/V0 = 0.057 6/5 [ Cn2(h) V5/3(h) dh MASS time constant: 0, MASS, Numerical simulation 1. Set turbulent layer strength (seeing) & sp. response Definition (1 rad phase difference between wavefronts at t= 0) ] 3/5 = 0.175 (2 DESI ) 3/5 ; 2 DESI = < [ IA(1ms)/ IA(3ms) ] >2 0, MASS, This is an approximation! ... The MASS method is approximate! ...

. Another built-in function is eval which takes the arguments on the command line and executes them as a command. For example: #!/bin/sh echo "enter a command:" read command eval $command .