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21. 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...
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Ссылки http://www.badastronomy.com/bad/news/marilyn1.html -- 21.9 Кб -- 09.04.2016
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22. http://star.arm.ac.uk/~meb/files_2011aug24/kepler.doc
Kepler's Laws Kepler was an assistant to Tycho Brahe. Brahe had made extensive observations of the known planets and had accurately mapped the motion of these planets as they passed across the sky for a number of years. ... The orbits of the planets are ellipses with the sun at one of the foci. ... Look at the distance between the discs. ... Kepler's Laws All bodies sweep out equal areas in equal times If we look at the planets we have already seen that the planets change speed in their orbit. ...
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Ссылки http://star.arm.ac.uk/~meb/files_2011aug24/kepler.doc -- 318.0 Кб -- 25.08.2011
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23. http://www.mrao.cam.ac.uk/wp-content/uploads/2014/04/HOsborn.pdf
Detecting Long Period Planets with WASP 1 University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL To estimate the number of transiting planets in this period range, planetary occurrence rates from Kepler (Fressin et al, 2013) for varying spectral type & planet type were used. ... Two `stare' fields are currently available from 2011 (330,000 stars) producing a detection rate of 3.0±2.4 planets (Fig 4). ... Since 2011, WASP-N cameras have observed in `Stare' mode, with cadence of ~1-2min. ...
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Ссылки http://www.mrao.cam.ac.uk/wp-content/uploads/2014/04/HOsborn.pdf -- 292.9 Кб -- 16.04.2014
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24. A New Stable Method for Long-Time Integration in an N-Body Problem
Next: Imaging by an Optimizing Method . ... A big advantage of this numerical integrator is its stability: the error in the semi-major axis and the eccentricity depends only on the step size and does not grow with an increasing number of time steps. ... As the integration time increases, the numerical results become more contaminated by various errors. ... A new symplectic integrator produces no secular truncation errors in the actions of a Hamiltonian system. ...
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Ссылки http://www.adass.org/adass/proceedings/adass96/taidakovat.html -- 9.4 Кб -- 23.06.1998
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25. Intelligent Life in the Universe
.
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Ссылки http://zebu.uoregon.edu/1996/ph123/l16.html -- 2.7 Кб -- 31.05.1996
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26. The Sun's Magnetic Cycle
... The Magnetic Sun . ... Galileo had guessed they were clouds floating in the Sun's atmosphere, obscuring some of its light. ... It turned out that the Sun has a polar field somewhat like the Earth's, but that it reverses its polarity during each 11-year cycle. ... Sunspot fields were evidently produced by electric currents, and it was well known that such currents could be generated by a " dynamo process ," by the motion of an electric conductor (e.g. the flow of solar plasma) through a magnetic...
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Ссылки http://www.iki.rssi.ru/mirrors/stern/earthmag/sunspots.htm -- 9.4 Кб -- 21.12.2007
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/earthmag/sunspots.htm -- 9.4 Кб -- 22.12.2007
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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/earthmag/sunspots.htm -- 9.4 Кб -- 22.12.2007
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27. Звезда рядом с Венерой - Общая Астрономическая Конференция
Общая Астрономическая Конференция > Практика > Астрономические наблюдения . Звезда рядом с Венерой . ... Поиск . ... Timur . ... Если посмотреть в SkyMap, получается, что около 2 ч. Московского летнего времени Венера проходила примерно в 0.5' от переменной звезды TV Gem. ... Julian day number 2452125.41667) . ... Созвездия (поиск и описание) .. Созвездия южного неба (поиск и описание) .. Осенние созвездия (поиск и описание) .. Летние созвездия (поиск и описание) .. ...
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Ссылки http://www.starlab.ru/showthread.php?t=466 -- 48.2 Кб -- 11.04.2016
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28. Most Earth-like exoplanet found by ESO | Astronotes
... Planets . ... The planets were found using the HARPS instrument on the 3.6m telescope at ESOтАЩs La Silla Observatory. ... A planet in orbit around a star causes the star to regularly move towards and away from observers on Earth. ... One newly discovered planet, HD 85512 b, is best hope found so far for a habitable exoplanet. ... The HARPS team so far have found that about 40% of stars similar to own Sun have at least one planet smaller than Saturn (which is 95 times more massive than Earth). ...
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Ссылки http://www.armaghplanet.com/blog/have-we-found-another-earth.html -- 45.5 Кб -- 09.04.2016
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29. 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. ...
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Ссылки http://xray.sai.msu.ru/~polar/html/publications/apj/node8.html -- 5.9 Кб -- 21.06.1996
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30. Number Theory Semester - Poncelet Laboratory
January - June 2010 . Organisers: Michel Balazard (CNRS, Laboratoire Poncelet) , Xavier Caruso (CNRS, Laboratoire Poncelet) , Michael Tsfasman (CNRS, Laboratoire Poncelet, Institute for Information Transmission Problems) , Alexey Zykin (Laboratoire Poncelet, State University Higher School of Economics) . ... Number theory seminar . ... Sep 2009 - Jun 2010 . ... CNRS, Universit de Rennes 1, France . ... Jan 2010 - Jun 2010 . ... Jun 2010 . Poncelet Laboratory home page . ...
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Ссылки http://www.mccme.ru/lifr/zykin/eng/visitors.html -- 5.3 Кб -- 30.06.2010
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31. ASP: A Good Definition of the Word "Planet": Mission Impossible?
... There has been a heated public discussion in the past few years about whether our ninth planet is really deserving of the name. Since Pluto orbits a star, and is much less luminous, it certainly satisfies the definition we have above. The problem is actually not with Pluto, but with a very large number of other bodies in our Solar System which also satisfy this definition, but which are not called planets. Perhaps the most notable of these is Ceres, the largest asteroid. ... Planet . ...
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Ссылки http://www.astrosociety.org/edu/publications/tnl/59/planetdefine2.html -- 14.7 Кб -- 02.10.2012
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32. http://www.simfov.ru/catalogs/npm1/npm1.txt
I/199 Lick Northern Proper Motion Program: NPM1 Catalog (Klemola+ 1987) =============================================================================== = Lick Northern Proper Motion Program: NPM1 Catalog Klemola A.R., Hanson R.B., Jones B.F. <Astron. ... Positions are given for equinox B1950 and computed epoch 1950. ... Other data given for each star are: the original mean epoch, a stellar class code, the number of NPM fields measured, and discrepancy flags for position, proper motion, and photometry. ...
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Ссылки http://www.simfov.ru/catalogs/npm1/npm1.txt -- 7.6 Кб -- 15.06.2006
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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. ...
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Ссылки http://www.wdcb.ru/stp/data/solar.act/sunspot/sunspot.txt -- 5.2 Кб -- 18.01.2010
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34. Apache Server Virtual Host Support
When using a large number of Virtual Hosts, Apache may run out of available file descriptors (sometimes called file handles if each Virtual Host specifies different log files. ... Unix operating systems limit the number of file descriptors that may be used by a process; the limit is typically 64, and may usually be increased up to a large hard-limit. ... If you system falls into 1 or 2 (above), then increase the file descriptor limit before starting Apache, using a script like #!/bin/sh . ...
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Ссылки http://neptun.sai.msu.su/manual/vhosts/fd-limits.html -- 3.7 Кб -- 20.06.2002
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35. POLIMPLOT (V1.00) --- April99 --- POLIMPLOT (V1.00)
polimplot -- Plot a polarization vector map . ... inpol = "" [name] . Input linear polarization image (in %) to plot. inpopa = "" [name] . Input image for position angle of linear polarization vectors (degrees). poi_err = "" [boolean] . ... Name of corresponding polarization position angle error image (degrees). ... This task is a flexible tool for plotting a polarization vector map from two images of the polarization and the position angle of the polarization vector. ...
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Ссылки http://www.stecf.org/software/IRAFtools/stecf-iraf/impol/polimplot.help.html -- 7.6 Кб -- 06.06.2006
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36. Examples of using the uniq command
. To remove consecutive duplicate lines from a file: uniq acc_nos accounts . This removes all consecutive duplicate lines from the file acc_nos and places the output in the file accounts . To list the consecutive duplicate lines and the number of times that each occurs: uniq -c tel_nos errors . This lists each of the consecutive duplicate lines in the file tel_nos and the number of times that each is repeated. The results are placed in the file errors .
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Ссылки http://comet.sai.msu.ru/UNIXhelp/utilities2/uniq1.html -- 2.2 Кб -- 17.01.1997
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37. Myasnyankin Andrey , Moscow Institute of Physics and Technology (MIPT),Space
. Field of research interest . Telecommication networks and systems , Programming. Scientific Degree . Student of MIPT. Position . Laboratory assistant of IKI. Department Number . 902 (Space Monitoring Information Support) . Postal Address . Space Research Institute . Russian Academy of Sciences . Profsoyuznaya St. 84/32 . Moscow, RUSSIA . Postal Code . 117810 . Telephone Number . +7(095) 333-53-13 . E-mail . andrew@d902.iki.rssi.ru . If you want to get more information click here
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Ссылки http://smis.iki.rssi.ru/students/st_andr/amiasn.htm -- 2.1 Кб -- 08.10.1996
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38. Naughty Number Nine
... Number nine will put you on the spot. ... Naughty number nine. ... Is that it's one less than ten. You see, nine is the same as ten minus one. ... I mean, eight times nine is 80 minus eight, . And seven times nine is 70 minus seven, . And six times nine is 60 minus six. ... With naughty number nine. ... One times nine is nine, and two times nine is 18. Mean ol' number nine. ... Eight times nine is 72, and nine times nine is 81, . ... With naughty, nasty, mean ol' number nine. ...
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Ссылки http://crydee.sai.msu.ru/ftproot/pub/rec/music/lyrics/cs-uwp/s/schoolhouse.rock/9.html -- 3.5 Кб -- 09.04.1995
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39. Getting Started in Actor Prolog. 3D Web Site.
The first persistent Web agent that we have created on Actor Prolog is a program that collects information about research groups that develop Prolog and projects in the field of logic programming. The agent looks through a given list of Web sites and calculates some attributes of the sites: the date of recent modification, total size, the number of figures, the number of outside links, the number of error links, the number of given keywords, etc. ... http://www.cplire.ru/Lab144/space/prolog.html . ...
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Ссылки http://www.cplire.ru/Lab144/start/e_3d.html -- 11.3 Кб -- 24.09.2007
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40. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BC3D750A0-79D1-4AD3-8F16-CB459C5A5749%7D
Since the last Kepler catalog was released in February 2012, the number of candidates discovered in the Kepler data has increased by 20 percent and now totals 2,740 potential planets orbiting 2,036 stars. Based on observations conducted May 2009 to March 2011, the most dramatic increases are seen in the number of Earth-sized and super-Earth-sized candidates discovered, which grew by 43 and 21 percent, respectively. ...
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BC3D750A0-79D1-4AD3-8F16-CB459C5A5749%7D -- 4.3 Кб -- 10.04.2016
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