... The choice of which type of electricity is called "positive" and which "negative" was made around 1750 by Ben Franklin, early American scientist and man of many talents (the stamp on the left commemorates his role as first US postmaster--and colonial postmaster before that). ... Franklin knew of two types of electric charge, depending on the material one rubbed. ... Later, when electric batteries were discovered, scientists naturally assigned the direction of the flow of current to be from (+) to (-...

. A tree for site navigation will open here if you enable JavaScript in your browser. HOME . ABOUT ST-ECF . CONTACT . Footprintfinder (@STSCI) . DER_SNR: a signal-to-noise ratio estimator (@STSCI) . PyMIDAS (@ESO) . PyRAF (@STScI) . AstoLib (@scipy.org) . Maintained by Richard Hook <rhook@eso.org> .

Following designations of elements/ parameters are used in AMPLE. ... mean anomaly . ... Node . ... Apart conventional orbital elements AMPLE gives possibility to calculate for each minor planet the following often used functions: . ... MOID . ... To calculate MOID user should order the name or the number of the major or minor planet through dialog. ... To calculate CT user should order the name or the number of the major or minor planet through dialog as it is proposed for MOID calculation. ...

... Team contact name and e-mail address : Ivan Petrov ( e-mail : Ivan .Peterov@gmail.com) Team members' name(s) and e-mail address for the person(s) intending to attend the RadioAstron key science program consortia organization meeting in MPIfR (Bonn) on December 3-4, 2012: John Smith ( e-mail : John.Smith@gmail.com) An estimate of the total observing time request: 100 hrs Number of independent observing segments: 20 Ground array support . ...

... Liyong Liu (NAOC) . Site testing on seeing conditions of the astronomical observatories over China are briefly reviewed, including Xionglong station of NAOC, Gaomeigu station of Yunnan Observatory, Delingha station of Purple Mountain Observatory. ... PDF [3.0€аMB] October 8, 09:55 10:20 . ... In this paper, we will review the site survey activities in the past years, and present the site-testing results on the Oma site, including cloud cover, seeing, water vapor, transparency and sky brightness. ...

Central Bodies Masses of Selected Globular Clusters N.A.Shakht, A.A.Kiselev, Yu.N.Gnedin and E.A.Grosheva. The Main Astronomical (Pulkovo) Observatory RAS 47 Tuc ­NGC 104 RA 00 24 .1 Dec -72° 04 .9 Size = 30.9 mvis + 4. 0 m D from = 12,1 kpc, h m Cen - NGC 5139 NGC 6397 (Ara) RA 17 h40.m7 Dec -53o 40'.4 Size = 31',0 mvis + 5,3m D from =2.3 kpc RA 13h 26m .8 Dec -47° 28 6 Size = 36.3 m vis +3. 7 m D from =15.8 ±1.1 kpc, 12109 years, Age: 10109 years, (13.4 ± 0.8)109 years. ...

USING THE CORRELATION BETWEEN ISGRI SURVEY RESULTS AND OTHER CATALOGUES TO AID SOURCE IDENTIFICATION John B. Stephen, A. Malizia and L. Bassani IASF-INAF, Via P. Gobetti 101, 40129 Bologna, ITALY, E-mail: stephen@iasfbo.inaf.it ABSTRACT In order to help in the identification of INTEGRAL/ISGRI sources, we have developed a software package which allows a rapid and detailed cross-correlation to be performed between various source catalogues. ... We show below some preliminary results from this analysis. ...

... Research School of Astronomy & Astrophysics . ANU College of Physical & Mathematical Sciences . EXPLORE ANU . ... Research . ... ANU College of . ... SEARCH . ... Search query . Search . Search query Search button . ... Intranet . Intranet home . ... RSAA people . ... ANU Outlook 365 email login . ... ANU Library request form . ... 2006 (PDF,6MB) . 2005 (PDF,6MB) . 2004 (PDF,2MB) . ... 2002 (PDF,2MB) . 2001 (PDF,2MB) . 2000 (PDF,2MB) . 1999 (PDF,2MB) . ...

... Abubekerov M.K., Lipunov V.M. "The Lower Temperature Limits Of Accretors" Astronomy Reports, 2003, Vol. 47, Issue 8, pp.679-684. ... Abubekerov M.K., Antokhina E.A., Cherepashchuk A.M. "The Masses of X-ray Pulsars in Binary systems with OB Supergiants" Astronomy Reports, 2004, Vol. ... Abubekerov M.K., Antokhina E.A., Cherepashchuk A.M., Shimanskii V.V. "The Mass of the Compact Object in the Low-Mass X-ray Binary 2S 0921-630" Astronomy Reports Astronomy Reports, 2006, Vol.50, Issue 7, pp.544-552. ...

... A new comet has brightened unexpectedly and is currently visible to unaided observers of southern skies. ... The Coma Cluster of Galaxies . ... Each of these galaxies houses billions of stars - just as our own Milky Way Galaxy does. ... Deep inside Centaurus A, the closest active galaxy to Earth, lies ... another galaxy! ... The result, shown above, is the most complete sky map of the most common visible light emitted from the most abundant element in our Galaxy: hydrogen. ... Earth Rise . ...

... Recent Topics . ... MAO main . ... Newsletter : July 2014 : International Space Science Institute . ... Тема: Newsletter : July 2014 : International Space Science Institute . ... 33 Teams have been selected for implementation from the proposals received in response to the 2014 Call for International Teams by the Science Committee. ... If you prefer not to receive future email from the International Space Science Institute, please unsubscribe here. International Space Science Institute . ...

... 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 ...

Stellarium 0.12.3 . ... Classes . ... FileљStructure . ClassљList . ClassљIndex . ... InfoPanel Class Reference . ... More... #include < SkyGui.hpp > . ... Reads "gui/selected_object_info", etc from the configuration file. ... voidљ . setInfoTextFilters (const StelObject::InfoStringGroup &aflags) . ... getInfoTextFilters (void) const . ... Definition at line 38 of file SkyGui.hpp . ... The documentation for this class was generated from the following file: . gui/ SkyGui.hpp . ...

Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Январь 1998 . ... This monitoring will aid observation planners later in the Galileo Europa Mission, when the spacecraft approaches its close flyby of Io in late 1999. ... Дата: 27 января 1998 (1998-01-27) От: Alexander Bondugin Тема: NEAR Completes Flawless Earth Swingby Привет всем! ... Дата: 27 января 1998 (1998-01-27) От: Alexander Bondugin Тема: NASA Comet and Jupiter Missions Offer Educator Fellowships Привет всем! ...

SAI VO . ... SAI CAS . ... main [?] . ... Cross-match your data with our catalogue! User table: Must be valid VOTable or CSV file . Format of the input file: . VOTable - XML-based format . CSV (Comma-Separated Values) - simple text format . CSV format requires names of columns with coordinates. Name of RA column: Dec: . Hint: CSV is a simple text format where the data columns are separated by the comma and the first line contains the names of the corresponding columns. ...

... Space flight . Crew training . ... Space camp . ... The "Odyssey" project includes all the stages of preliminary selection and pre-flight training of the inter-planetary station crew, as well as simulates a 7-day "Earth-Moon-Earth" space mission. ... Training in crews on the "MIR" space station trainers and simulators under the interplanetary "Earth-Moon-Earth" mission program, . ... A commander (carries out a general onboard control and is responsible for the crew safety and vital activity. ...

VII/26D Uppsala General Catalogue of Galaxies (UGC) (Nilson 1973) ================================================================================ Uppsala General Catalogue of Galaxies (UGC) Nilson P. =1973ugcg.book.. ... The order of the records is strictly by UGC number; i.e., the Addenda records follow their main catalogue counterparts in the file. ... Major axis of the galaxy as measured on the POSS blue print. ... References: Nilson, P. 1973, Uppsala General Catalogue of Galaxies, Uppsala Astron. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Image credit: NASA) . ... Well, the flight made Alan Shepard the first American in space! ... In 1959 he was among 110 test pilots invited by the newly-formed National Aeronautics and Space Administration (NASA) to volunteer for the first manned space flight program. ... After successful corrective surgery Shepard was ready to begin training for the Apollo program which proved to be a lot more intense than the Mercury program. ...

... APT Activities and Science Results 3. ... APT Secretary Philip Edwards (ISAS) reviewed the aims of the APT (http://www.vsop.isas.ac.jp/apt/DefinitionAndAims.html). ... The Australia Telescope Compact Array, and Ceduna, Hartebeesthoek, Kashima, Mopra, Parkes, and Shanghai telescopes of the Asia-Pacific Telescope participated in these observations. ... In the absence of Tetsuo Sasao, Philip Edwards briefly described results of the APT 22 GHz observations conducted from October 1st to 5th, 1997. ...

... Shustov B.M., Wiebe D.S. Dust expelling from the Galaxy ( abstract from the journal ). Astronomy Reports , 1995, 39 , 578-586 [AZh, 72 , 650-659]. Wiebe D.S., Shematovich V.I., Shustov B.M. Chemical and dynamical evolution of protostellar clouds: initial stages of collapse ( abstract from the journal ). ... Shustov B.M., Wiebe D.S., Tutukov A.V. Evolution of disk galaxies and loss of heavy elements into the intracluster medium. ... ApJ (Letters), 1998, 503 , L71-L74 ( astro-ph/9806155 ). ...