СТУДЕНЧЕСКИЕ ОЛИМПИАДЫ МЕХМАТА МГУ И. В. Аржанцев, 1 В. И. Богачев, 2 А. А. Заславский, 3 В. Ю. Протасов, 4 А. М. Райгородский, 5 А. Б. Скопенков 6 n=1 Мы приводим задачи всемехматовских олимпиад 2001 (второй тур), 2008 и 2009 годов, а также указания, решения и комментарии. ... 2008-1. ... Обозначим через m(k) максимальное число попарно не ортогональных векторов из {-1; 0; 1}2k , ровно k координат каждого из которых нулевые. (а) Докажите, что m(k) 22k-1 при нечетном k. (б) Докажите, что 80 m(4) 140. ...
Journal of the Amateur Astronomers Association of New York June 2012 Venus: Past, Present and Future By Sandra Wayne magine a world covered in a perpetual fog of sulfuric acid rain, where the average temperature is 457°C (855°F). ... Theories have been devel oped t o explain dark matter to include dark stars and black holes and neutrinos. ... Models predicted 0.9-2.2 pounds of dark matter in a volume the size of Earth in the Sun's region, but new findings suggest 0.15 pounds at most. ...
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Ссылки http://www.aaa.org/EyepieceFiles/aaa/2012_06_June_Eyepiece.pdf -- 1270.7 Кб -- 14.10.2015 Похожие документы
ESO PR 06/96; 16 February 1996 . ... In the early morning of January 31, 1996, Japanese amateur astronomer Yuji Hyakutake made his second comet discovery within five weeks. ... Information about some earlier comet encounters may be found in the Appendix at the end of this Press Release. ... By a straightforward extrapolation of the current brightness, it would appear that Comet Hyakutake will reach magnitude 1 on March 25, 1996, at the time of the closest approach to the Earth. ...
The Official Publication of the Amateur Astronomers Association of Princeton Director John Miller (609) 252-1223 jmiller@princetonastronomy.org Assistant Director John Church (609) 799-0723 j.church@mindspring.com Treasurer Program Chairman Michael Mitrano Ludy D'Angelo 609-737-6518 (609) 882-9336 ... (609) 273-1456 (732) 469-7698 and (609) 448-8644 kane@princetonastronomy.org editors@princetonastronomy.org Volume 38 From the Director May ... Cheers--John Miller, Director 7. ...
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Ссылки http://www.princetonastronomy.org/newsletters/05_2009sidereal.pdf -- 1056.9 Кб -- 05.05.2009 Похожие документы
STAR FIELDS Newsletter of the Amateur Telescope Makers of Boston Including the Bond Astronomical Club Established in 1934 In the Interest of Telescope Making & Using Vol. ... Sure we have a number of new members join every year and a few of them become extremely active and make valuable contributions to the club. ... Steve would like to keep the club's outward focus by attracting new members and start focusing inwards so that members can develop their skills in astronomy and telescope making. ...
# # List of USB ID's # # Maintained by Stephen J. Gowdy <sgowdy+usb.ids@gmail.com> # If you have any new entries, send them to the maintainer. # Send entries as patches (diff -u old new). # The latest version can be obtained from # http://www.linux-usb.org/usb.ids # # $Id: usb.ids,v 1.374 2009/01/10 08:11:02 gowdy Exp $ # # Vendors, devices and interfaces. Please keep sorted. # Syntax: # vendor vendor_name # device device_name <-- single tab # interface interface_name <-- two tabs 0001 Fry's Electronics