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181. How Fast?
. But can the air escape? Statistical thermodynamics tells us that the average kinetic energy of a molecule of gas of mass m, at a temperature T, is . Previous slide . Next slide . Back to first slide . View graphic version .
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Ссылки http://www.mso.anu.edu.au/pfrancis/roleplay/MysteryPlanet/mountains/tsld024.htm -- 1.8 Кб -- 17.03.2004
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182. Buying a telescope | Astronomy.com
... Observing springtime deep-sky objects with a large telescope . ... Buy and sell astronomy gear April 9 . ... Astronomy.com: Jim Forbes . ... A refracting telescope makes use of this property with a carefully made lens having curved surfaces. ... The first telescope (of any type) was constructed by the Dutch spectacle maker Hans Lippershey (1570 1619) who, on October 2, 1608, filed a patent application for "an instrument for seeing faraway things as though nearby." ... Buying your first telescope . ...
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Ссылки http://www.astronomy.com/Equipment/How-To/2004/07/Buying%20a%20telescope.aspx -- 89.7 Кб -- 10.04.2016
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183. GRINEXT
Home | Products | How to contact ] . ... GRINEXT Corp. ... Gradient Optics . Research and Develpment . Gradient-Index Optical Components Manufacture . Gradient-Index ( GRIN ) glass preforms . GRIN lenses . for fiber lasers optics . ... Research in the field of ion-exchange technology . of gradient-index glasses . with different types of gradient . ... 3D-gradient . ...
184. lsst.coordConv: coordConv: Astronomical Coordinate Conversions
lsst.coordConv љ unknown . ... Classes . ... All љ Classes љ Namespaces љ Files љ Functions љ Variables љ Typedefs љ Enumerations љ Enumerator љ Pages . coordConv: Astronomical Coordinate Conversions . The coordConv package provides the following classes and functions. ... Coord : represents a position on the sky, with proper motion and radial velocity; provides easy access to spherical and cartesian position. ... Position conversion functions: . ... Time conversion functions: . ...
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Ссылки http://www.apo.nmsu.edu/Telescopes/coordConv/html/index.html -- 8.6 Кб -- 07.05.2015
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185. Meade Series 4000 Eyepieces
... The world standard in telescope oculars, Meade Series 4000 eyepieces yield the widest possible fields of view, consistent with pinpoint edge-of-field sharpness and long eye relief and yet with extremely low astigmatism, spherical aberration, and off-axis color. ... Your Series 4000 eyepieces are superb, with the Super Wide Angle 32mm and Ultra Wide Angle 14mm (two incredible eyepieces) being particular favorites of mine. ... Meade Series 4000 8mm - 24mm Zoom Eyepices (1.25") . ... about meade | ...
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Ссылки http://www.meade.com/catalog/meade_4000/meade_series_4000_01.htm -- 16.1 Кб -- 06.10.2007
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186. http://scan.sai.msu.ru/~kirx/ATel/BL_Lac/
... We thank the Swift team for their rapid scheduling of this observation. ... 2455705.20851 V 14.15 0.03 2455707.83079 V 14.10 0.03 2455710.84028 V 13.53 0.02 2455713.64631 V 13.66 0.02 2455714.65479 V 14.11 0.03 2455714.71823 V 14.12 0.02 2455714.78596 V 14.20 0.02 2455717.39593 V 14.37 0.03 2455726.62861 V 14.83 0.04 2455727.16343 V 14.57 0.04 2455730.50586 V 14.57 0.03 2455730.57329 V 14.56 0.03 2455730.70360 V 14.66 0.04 2455738.32865 V 14.00 0.02 2455742.86146 V 14.21 ...
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Ссылки http://scan.sai.msu.ru/~kirx/ATel/BL_Lac/ -- 11.7 Кб -- 12.07.2011
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187. ASP: Good Astronomy Activities on the WWW
home education > activities . SEARCH ASP SITE: Match ALL words Match ANY word . ... Activities . ... Astronomy . ... Activities on the . ... This is more about space technology than astronomy, but in this interactive module, students simulate what the astronauts go through when they go up to service the Hubble Space Telescope. ... Younger students are shown a drawing that can be interpreted in two ways and then apply what they learn to planetary images. ... table of contents . ...
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Ссылки http://www.astrosociety.org/edu/activities/astroacts07.html -- 18.3 Кб -- 02.10.2012
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188. Cahill Claims That The Missing... - an Astronomy Net Blackholes2 Forum Message
Blackholes2 Forum Message . Forums: . ... Cahill Claims That The Missing.. ... Posted by Rowanda on May 6, 2004 16:31:59 UTC . ... missing mass - krill - May 8, 2004 - 08:52 UTC . whatever.............. - dolphin - May 8, 2004 - 10:31 UTC . ... Cahill Links - wandaqueen - May 8, 2004 - 12:43 UTC . ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...
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Ссылки http://www.astronomy.net/forums/blackholes2/messages/4918.shtml -- 14.3 Кб -- 09.04.2016
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189. История создания и развития RSSI.
Совместное решение российских сопредседателей Рабочих Групп, осуществляющих сотрудничество в области научных космических исследований в рамках Соглашения между Россией и Соединенными Штатами Америки. ... Научные космические сети США сегодня объединены в компьютерную сеть в рамках проекта NASA Science Internet (NSI). ... Сопредседатели Рабочих Групп решили . ... Сопредседатели Рабочих Групп уполномочили Институт Космических Исследований РАН выступать в качестве Юридического Лица Проекта "RSSI". ...
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Ссылки http://www.rssi.ru/cp1251/spwg.htm -- 6.2 Кб -- 01.10.2012
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190. Results of ELT site testing programs - I
... October 6, 09:00 09:40 . Jorge Melnick (ESO) . ... We present a statistical and temporal analysis of the ground meteorological properties recorded at the five selected sites for hosting the European Extremely Large Telescope (EELT). ... Marc Sarazin (ESO) . The organization and development of the E-ELT site testing campaign by ESO are described. ... The E-ELT Site Testing activities in northern Chile and Argentina are reviewed, and pioneering explorative campaigns are illustrated. ...
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Ссылки http://site2010.sai.msu.ru/section/4 -- 5.4 Кб -- 09.04.2016
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191. Astronaut Information
... Astronaut Information on the NASA Web . ... Astronaut Candidate Class . ... Astronaut Selection and Training - (PDF Format) NASA Human Spaceflight Program Resources . ... U.S. Human Spaceflight History (JSC History Portal) . ... Mercury Program (JSC History Portal) . ... Gemini Program (JSC History Portal) . ... Apollo Program (JSC History Portal) . ... Skylab Program (JSC History Portal) . ... Apollo-Soyuz Test Project (JSC History Portal) . ... Space Shuttle Program (JSC History Portal) . ...
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Ссылки http://www.jsc.nasa.gov/Bios/more.html -- 29.8 Кб -- 03.11.2015
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192. ASRAS HOME
... This information is used by rochesterastronomy for the operation of the service, to maintain quality of the service, and to provide general statistics regarding use of the rochesterastronomy Web site. ... The rochesterastronomy Web site use "cookies" to help you personalize your online experience. ... For example, if you personalize rochesterastronomy pages, or register with rochesterastronomy site or services, a cookie helps rochesterastronomy to recall your specific information on subsequent...
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Ссылки http://www.rochesterastronomy.org/Privacy -- 40.3 Кб -- 09.04.2016
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193. Amateur Telescope Makers of Boston
... Submitted by Paul Valleli on 01/16/2007 15:38:53 . HET Secondary Corrector System Alt-Az Mount . A spherical primary can be corrected for Spherical Aberration,Coma, and Astigmatism with a Mangin -Relay lens Combo (ATMoB member Don Dilworth design) or with a modified Abbe Reflector-Corrector - requires spacing, tilt, and decenter adjustments. Another way is with a strongly Hyperbolic secondary -very tiny FOV . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
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Ссылки http://www.atmob.org/gallery/showimage.php?id=419 -- 3.2 Кб -- 09.04.2016
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194. http://www.astro.louisville.edu/moore/history/bigscope.html
... The then president of the Society, Mr. Robert Burke, appointed a committee of eight or ten members, most of whom had made smaller mirrors, as an instrument committee, with Mr. Thorpe as chairman. ... Seriously, the best practicable solution seemed to be to build a machine to do the grinding and polishing. ... It was decided to grind the edges of the mirror to make it truly circular, as the rough cast glass was some 3/8 inch longer on one diameter than on the other. ...
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Ссылки http://www.astro.louisville.edu/moore/history/bigscope.html -- 11.1 Кб -- 28.06.1999
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195. September Night Sky Wonders | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... With her bold letter-тАШWтАЩ-like form grabbing your attention from high in the night sky, Cassiopeia, the circumpolar constellation named after the vain queen of Greek mythology, most likely takes pleasure in outshining the dimmer stars of her тАШdowntrodden husbandтАЩ and adjacent constellation, king Cepheus. ... Best explored in a Moonless sky: The impressive star gatherings Messier 15 and Messier 39, SE 9th September 2013. ...
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Ссылки http://www.armaghplanet.com/blog/september-night-sky-wonders.html -- 59.8 Кб -- 09.04.2016
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196. AAL Homepage
... LINKS . ... SPECIAL TOPIC . CONTACT . ... ARTICLE: Venus Transit 2004 . ... AAL's Transit Observation Results . ... Divx video from the AAL observation site. ... a) Visual observation : Only with special eclipse shades ( do not use those ones you still have from the 1999's solar eclipse because it does no more protect you properly ) . ... 1. contact ( transit begins ) : 07:19 53 s with a solar altitude of 15.5 degrees . ... Venus Transit Links: . ... Venus Transit 2004: A Tremendous Success . ...
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Ссылки http://www.aal.lu/SPECIAL_TOPIC/9/ -- 32.7 Кб -- 09.04.2016
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197. SAI OCL Catalog Virtual Observatory
... Structure of Data . ... Catalog . ... The SAI OCL Catalog site provides several VO-enabled modes of operation: . VO-enabled catalog data analysis from a browser . ... Endpoint URL is http://ocl.sai.msu.ru/catalog/conesearch/ . ... VO-enabled catalog analysis from a browser . Presently, this recipe works with Firefox (Windows, MacOS, Linux), Internet Explorer (Windows) and Opera (Windows) browsers with Java plugin 1.6 installed. ... Main TOPCAT window with SAI OCL catalog loaded will appear. ...
198. Astronomical Telescopes
... ASTRONOMICAL TELESCOPES . ... HOME . ... Home Products Telescopes Astronomical Telescopes . Recreational astronomical telescopes (ASTELE™) feature Maksutov Cassegrain or Maksutov Newtonian optical design. ... These telescopes (except ASTELE ™ 70, 95) are available in three configurations: OTA (Optical Tube Assembly), G (German Equatorial Mount) and EL (with motorized base). ... These telescopes are available in two configurations: OTA (Optical Tube Assembly) and G (German Equatorial Mount). ...
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Ссылки http://www.lomoplc.com/astrotelescopesDataPage.htm -- 12.5 Кб -- 09.04.2016
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199. Astronomical Glossary - S - Z
... SATELLITE: An object that revolves around a planet. ... SIDEREAL DAY: The length of a planet's rotation period relative to the stars. SOLAR SYSTEM: The sun and all the objects that are held in its gravitational field and move around it. ... SUPERIOR CONJUNCTION: The position of a planet when it is on the opposite side of the Sun from Earth (thus making in invisible). ... TRANSIT: The movement of an object between the Earth and the Sun and showing on the surface of the sun as a black dot. ...
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Ссылки http://www.wro.org/ras/glossary/s-z.htm -- 10.1 Кб -- 18.08.2005
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200. Mark Trueblood, Director, Winer Observatory
Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Winer . ... Mark Trueblood was born in Cincinnati, Ohio in 1948. ... It was Andy, with the encouragement of Irv Winer, who got Mark interested in telescope building and astronomy again. ... Society for Astronomical Sciences (Robert Crawford lead author) . ... Trueblood, Mark, "The Space Telescope Payload Operations Control Center" in Genet and Genet, eds., Microcomputers in Astronomy - II, Fairborn Observatory (Fairborn: 1984), 11. ...
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Ссылки http://www.winer.org/About/Mark_Trueblood.php -- 46.3 Кб -- 09.04.2016
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