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21. Vectors
... A vector , that's what. ... Graphically, each stretch on the ground or velocity can be represented by an arrow in its direction, its length giving the magnitude--for instance, an arrow AB 200 mm (milimeters) long for the airplane's motion and another one BC 40 mm long, in the same direction, for the wind. ... Just as one can combine two vectors into one--their sum--so it is also possible to move in the opposite direction--given a single vector, find two vectors whose sum it is. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/magbase/REFMAN/STARGAZE/Svector.htm -- 11.9 Кб -- 21.12.2007
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22. Access to Data Sources and the ESO SkyCat Tool
... Canadian Astronomy Data Center, DAO/NRC . SkyCat is a tool that combines image visualization with access to astronomical catalogs and data archives. SkyCat uses a standardized URL syntax to access a large number of data sources on the net. ... More information on SkyCat can be found at the SkyCat Web site. The ESO SkyCat Tool includes the following features: . ... PostScript color printing of the display (image + graphics), . ... overlay catalog sources on an image, . ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass96/albrechtm.html -- 9.9 Кб -- 23.06.1998
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23. A Number Is A Very Specific Thing - an Astronomy Net Exploration Forum Message
Astronomy Discussion Forums . ... A Number Is A Very Specific Thing . ... Post Message | ... Posted by Harvey on October 9, 2002 16:41:15 UTC . ... When you use the word 'number', you are introducing a specific kind of symbol that is known within the context of mathematics. ... You know what - harvey1 - October 9, 2002 - 20:53 UTC . ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.net/forums/exploration/messages/32.shtml -- 19.4 Кб -- 09.04.2016
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24. SSAU expects to double the number of enrolled foreign students
... This year SSAU provides 1429 state-funded places for admission in all kinds and directions of educational programs. ... In addition, SSAU Admission Committee notes the substantial increase in interest from the foreign applicants this year. The number of applications from foreign countries has already surpassed last year's totals - 76 applications. Based on the experience of admission campaigns of previous years, SSAU expects summer 2014 to enrol about 150 foreign students in the university. ...
[ Сохраненная копия ]  Ссылки http://www.ssau.ru/engnews/10699-SSAU-expects-to-double-the-number-of-enrolled-foreign-students/ -- 26.1 Кб -- 20.06.2014
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25. Examples of using the kill command
To kill a single process: ps PID TT STAT TIME COMMAND 9408 p9 S 0:00 ue temp2.xdh 9450 pa S 0:01 -Tcsh (Tcsh) 9501 pa T 0:00 less csh.1 9503 pa R 0:00 ps kill 9501 . This kills process number 9501 . ... This makes a certain kill of process number 9352 . To kill a background job: jobs [1] + Running xterm -g 70x55 kill %1 [1] Done xterm -g 70x55 . This kills job number 1 (one); the only job that is currently running. ... To kill more than one process: kill 8939 9543 . ...
[ Сохраненная копия ]  Ссылки http://comet.sai.msu.ru/UNIXhelp/shell/jobz5.2.html -- 2.7 Кб -- 17.01.1997
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27. Formulas
... Formulas are very similar to equations. Consider for now only equations with one unknown variable , denoted by some letter, which can be x but can also be different. An equation is an equality between two mathematical expressions containing the unknown number (maybe in several places), as well as other numbers which are known. ... For instance--if you multiply two sides of a formula by the same number, the result is still a valid formula, even if what you multiply contains unknown numbers. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Salgeb3.htm -- 12.3 Кб -- 28.02.2006
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Salgeb3.htm -- 12.3 Кб -- 22.12.2007
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28. ASP: Good Astronomy Activities on the WWW
home education > activities . ... Astronomy . ... In this collaborative group activity, teams of students use the internet to find moon myths in a number of cultures and then try to discern the astronomy behind each myth. There is a section on researching moon missions that just seems tacked on to curry favor with NASA. [e,m] . ... A field test version with good activities and background information about the Saturn system and the Cassini mission, which is scheduled to enter Saturn orbit in 2004. ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/activities/astroacts08.html -- 18.3 Кб -- 02.10.2012
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29. Phil Plait's Bad Astronomy: Bad News
... Bad Astronomy . ... News . ... In the following article, I used the wrong number to get the circumference of the Earth at the latitude of Cape Canaveral, which ironically is what I accuse Ms. vos Savant of as well! ... At the Equator, the Earth spins at 1000 miles per hour (the Earth is 24,000 miles around, and spins once every 24 hours). ... The math is a wee bit hairy, but not too bad, to calculate the circumference of the Earth at Cape Canaveral assuming the Earth is an ellipse with these numbers...
[ Сохраненная копия ]  Ссылки http://www.badastronomy.com/bad/news/marilyn1.html -- 21.9 Кб -- 09.04.2016
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30. Number of accreting X-ray binaries of selected types
... The numbers of three types of compact binaries containing accreting NSs and BHs, which are most interesting from the point of view of their observational appearances, have been calculated as a function of time: i) X-ray transient source containing a NS in an eccentric orbit around a main sequence Be-star (the observed prototype: A0535+26), ii) BH The evolution of the selected types of X-ray binaries during the first 10 million years after the starburst onset is presented in Fig. ...
[ Сохраненная копия ]  Ссылки http://xray.sai.msu.ru/~polar/html/publications/apj/node8.html -- 5.9 Кб -- 21.06.1996
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31. Database on Wolf numbers
... Insert date: . Day: . Month: . ... This CGI -script calculates a day of week of the given date, Julian date of Greenwich noon JD and extracts from the database indices of solar activity: Wolf number for the day W , monthly W m and yealy means W y of Wolf number for month and year of the date. The prediction of Wolf number (which was made in 1998 and, hence, lost actuality) is also presented. The database uses solar activity data got from server of National Geophysical Data Center . ...
[ Сохраненная копия ]  Ссылки http://www.gao.spb.ru/personal/ivanov/wolfbase_e.html -- 3.4 Кб -- 21.05.2007
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32. SAO Star Catalog
... The catalog contains SAO number; the right ascension and declination with a B1950.0 equinox and epoch; annual proper motion and its standard deviation, photographic and visual magnitudes; spectral type; references to sources; the Durchmusterung (DM) identifier if the star is listed in the Bonner DM (BD), Cordoba DM (CD), or Cape Photographic DM (CP); component identification; The Henry Draper (Extension) (HD or HDE) number; and J2000 positions and proper motions. ...
[ Сохраненная копия ]  Ссылки http://vega.inp.nsk.su/catalogs/sao-description.php3 -- 18.0 Кб -- 01.10.2012
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33. http://www.wdcb.ru/stp/data/solar.act/sunspot/sunspot.txt
RELATIVE SUNSPOT NUMBERS Description of Data from SGD Explanation of Data Reports: Relative Sunspot Numbers -- The relative sunspot number is an index of the activity of the entire visible disk of the Sun. ... The provisional daily Zurich relative sunspot numbers, Rz, were based upon observations made at Zurich and its two branch stations in Arosa and Locarno and communicated by M. Waldmeier of the Swiss Federal Observatory. ... This indicates the uncertainty above and below the predicted number. ...
[ Сохраненная копия ]  Ссылки http://www.wdcb.ru/stp/data/solar.act/sunspot/sunspot.txt -- 5.2 Кб -- 18.01.2010
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34. Dunk Proceedings - 2dF QSO Redshift Survey (Number Counts)
. Full screen versions . Number - magnitude counts . Number - redshift counts . | Front page | . | << - Redshift wedge | Completeness estimates - >> | . Robert J. Smith, ">rsmith@mso.anu.edu.au Last modified: Fri Sep 24 11:39:02 EST 1999 .
[ Сохраненная копия ]  Ссылки http://www.2dfquasar.org/Papers/Dunk/counts.html -- 2.4 Кб -- 24.09.1999
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35. Mach-numbers in a simulation of convection in the sub-giant Eta Boo
... Simulation Images . Simulations of convection in stars . Mach-numbers in a simulation of convection inтАж . ... Title: Mach-numbers in a simulation of convection in the sub-giant Eta Boo . Description: The mach-number is the local speed in units of the local sound speed, with values above 1 being super-sonic. ... Mach-numbers in a simulation of convection in the sub-giant Eta Boo The mach-number is the local speed in units of the local sound speed, with values above 1 being super-sonic. ...
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/gallery3/index.php/theory/album43/eta_mach3d -- 13.4 Кб -- 28.02.2014
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36. IDL programs
... This program was created for correlating chosen regions in the series of fts images. ... Chosen regions' . ... In this section the program counts the integral for each region of the grid for each image. ... As a matter of fact, the integral is total brightness of the region and it is counted by 'int_tabulated' IDL function. ... In addition, the program will show the count of the regions which correlate with the corresponding region (the brighter region means the bigger count) and its contour. ...
[ Сохраненная копия ]  Ссылки http://lnfm1.sai.msu.ru/~kupry/SOFTWARE/korel_en.html -- 9.9 Кб -- 15.08.2003
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37. Kurt Vladimir, ASC
. Field of research interest . Scientific Degree . Position . Head . Department . Quantum Astrophysics . Postal Address . Astro Space Center . of the P.N. Lebedev Physical Institute . of the Russian Academy of Sciences . 117810, Russia, Moscow, Profsoyuznaya st.84/32 . Telephone Number . 7 (095) 333 2333 . FAX Number . 7 (095) 333 2378 . E-mail . vkurt@dpc.asc.rssi.ru
[ Сохраненная копия ]  Ссылки http://www.asc.rssi.ru/mdiv/people/vkurt.htm -- 2.1 Кб -- 04.12.1997
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38. http://www.astro.louisville.edu/shared_skies/archive/select/planets/saturn/20061116/saturn_green_w20061116.txt
saturn_g_02_95d.fits Date of observation is 2006-11-16T17:47:56 Mt. ... rings is Titan: VI Saturn II III IV V VI Titan II Enceladus IV Dione V Rhea III Tethys Header listing for HDU #1: SIMPLE = T / file does conform to FITS standard BITPIX = 16 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 3072 / length of data axis 1 NAXIS2 = 2048 / length of data axis 2 EXTEND = T / FITS dataset may contain extensions COMMENT FITS (Flexible 376.. ...
[ Сохраненная копия ]  Ссылки http://www.astro.louisville.edu/shared_skies/archive/select/planets/saturn/20061116/saturn_green_w20061116.txt -- 2.5 Кб -- 03.03.2010
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39. Comet Ephemerides
... To save time, I will only provide ephemerides in 2000 coordinates. ... Note: most the orbital elements used to create these ephemerides were obtained from the International Astronomical Union Circulars (IAUCs), Minor Planet Circulars (MPCs) or the ICQ Comet Handbook. ... The following 1-day ephemeris (March 1, 1997 - October 1, 1997) is from Donald Yeomans of JPL and is based on Reference Orbit #55 (March 4, 1997). 2000 coordinates (March - September, 1997) [3/4/97] . ... Epoch: 1997 Feb. 1.0 . ...
[ Сохраненная копия ]  Ссылки http://www.issp.ac.ru/univer/astro/comets/eph.html -- 6.3 Кб -- 11.04.2001
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40. Apache module mod_vhost_alias
This module provides support for dynamically configured mass virtual hosting . ... Source File: mod_vhost_alias.c . ... For simple name-based virtual hosts you might use the following directives in your server configuration file: UseCanonicalName Off VirtualDocumentRoot /usr/local/apache/vhosts/%0 . A request for http://www.example.com/directory/file.html will be satisfied by the file /usr/local/apache/vhosts/www.example.com/directory/file.html . ... Module: mod_vhost_alias . ...
[ Сохраненная копия ]  Ссылки http://neptun.sai.msu.su/manual/mod/mod_vhost_alias.html -- 13.1 Кб -- 15.10.2001
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