... Bad Astronomy . ... Every few months, one of a series of questions comes up on the USENET group sci.astro involving tides, or the rotation of the Moon, or the recession of the Moon from the Earth. ... Why the Moon's rotation period is the same as the length of time it takes to orbit the Earth (same as number 1, but phrased differently). ... But when this happens, the time it takes for the Earth to rotate once will be slowed to exactly the same time it takes for the Moon to go around the Earth once! ...

Main . ... About meteorites . Collections . Museum . ... Meteorite descriptions . ... Main menu . ... About laboratory . ... Museum of extraterrestial material . Meteorite collection . Lunar sample collection . Meteorite encyclopedia . Meteorite web resources . ...

... Tonight's Sky . ... The Magazine . News . Observing . ... Community . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... Editors of Astronomy magazine . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... SPICE System Documentation . Comprehensive set of SPICE System documentation including tutorials, subroutines and data formats descriptions, etc. Other related home pages: . Navigation and Ancillary Information Facility at JPL . MARS-96 Space Mission . ... Please, forward comments and questions about information on this page and all descending NAIF and M96 SPICE implementation pages to NAIF group at IKI . naif@arc.iki.rssi.ru . ...

... Sky Telescope editor Robert Naeye presents a whirlwind and colorfully illustrated trip through this amazing scientific story. ... Bob is editor in chief of Sky Telescope magazine and SkyandTelescope.com , and a proud member of the American Astronomical Society, the Astronomical Society of the Pacific, the Amateur Telescope Makers of Boston, and the Astronomical Society of Harrisburg, which is based near his hometown of Hershey, Pennsylvania. ... Copyright (c) Amateur Telescope Makers of Boston, Inc....

... Yu.A. Nefyodov, A.A. Golubov, M.R. Trunin, M.T. Beal-Monod. ... Yu.A. Nefyodov, M.R. Trunin, A.F. Shevchun, D.V. Shovkun, N.N. Kolesnikov, M.P. Kulakov, A. Agliolo Gallitto, and S. Fricano, Europhysics Letters, v. 58 (3), 422 (2002) . ... M.R. Trunin, Yu.A. Nefyodov, A.F. Shevchun Phys. Rev. Lett. ... Pseudogap in the microwave response of YBa 2 Cu 3 O 7-x. M.R. Trunin, Yu.A. Nefyodov, A.F. Shevchun, Supercond.Sci. ... Yu.A. Nefyodov, A.F. Shevchun, A.M. Shuvaev, M.R. Trunin. ...

... It is now recognised that food and wine festivals and events can play a significant role in rural and urban development and regeneration and the impacts of these events can be far ranging at a social, political, economic and environmental level.Food and Wine Festivals and Events Around the World: development, management and markets is a pioneering text that recognises the importance of this area of the tourism industry. ...

apomask -- Create an apodizing mask image with zero background and a circular central mask with rounded off edge apomask output xdim ydim radius sigma k xpos ypos . output = "" [image] . ... The X dimension of the input image. ydim = 512 [integer] . The Y dimension of the input image. radius = 12.0 [real] . The radius of the central disk of the output image which is to be set to one. sigma = 2.0 [real] . The sigma of the roll-off region around the central disk. k = 0.5 [real] . ...

... Description . Catalog . ... In the Catalog, we publish equatorial (ЮБ 2000 , ЮД 2000 ) and galactic (l,b) coordinates of cluster centers derived as the position of overdensity in 2MASS catalog (Koposov et al. ... Distances, color-excesses and ages are the mean-square values calculated using all available evaluations from different color-magnitude diagrams. ... There are individual pages for every cluster where all available plots and parameters are published. ... 2002). ...

GENERAL DESCRIPTION OF DATABASE . It is a matter of common knoledge, that solar magnetic fields and, in particular, magnetic fields of sunspots, play important role in many solar events. In Pulkovo observatory the long-term data set of daily observations of magnetic fields of solar sunspots was accumulated, which contains great potential for further researches in solar physics. ... Second section includes files containing sum data about magnetic fields for every observational day. ...

... Model . ... Karpachev A.T., IZMIRAN, e-mail: karp@izmiran.ru . ... To the Model: . The empirical median model of the shape and position of the MIT (Main Ionospheric Trough) in the Northern and Southern Hemispheres is presented. ... Geomagnetism and aeronomy, v.26, № 1, p.63-68, 1986. ... Karpachev A.T., Afonin V.V. Dependence of the ionospheric trough occurrence probability on the season, local time, longitude, and level of magnetic activity Geomagnetism and aeronomy, v.38, № 3, p.79-91, 1998. ...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... LX600 Series . ... LX200 Series . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... LX200/LX600 Level/North Sensor Array. ...

... Doctor of Letters (History), Full Professor . Phone: 707-54-78 . ... Head of the Department . School of History / Departments / Historiography, Source Studies and Archeology Department . ... Chief Editor . Specialized Editions / Bulletins / ?History? ... Specialized Editions / Compendia of Scientific Works / Topical Issues of National and Universal History . ... Phone: +380 (57) 7051248 . ... e-mail: cic@karazin.ua . ... Copyright 2010 V.љN. Karazin Kharkiv National University. ...

To see a Russian version of this page, click here . ... Bochkarev Nikolai Gennadievich . astrophysics researcher: . born: Moscow, May 19, 1947; . ... Jr. researcher Sternberg Astronomical Inst., ... Soviet (Russian) Working Group on Interstellar Matter, Moscow , 1979-; . ... Madison, 1991. ... ALocal Interstellar Matter, 1990, . Basic Physics of the Interstellar Matter, 1992; co-author: . ... Physics of Interstellar Matter, 1979; . ... All-Union Astronom. Geodesical Soc., ... Astronom. ...

About us . ... Telescopes . ... Apart from the 6-meter telescope BTA two small telescopes are operative at SAO: the 1-m and 0.6-m telescopes, both manufactured by Carl Zeiss, Jena, are located near the BTA. ... These telescopes are used for adjusting the equipment and techniques of observations used at the BTA. ... The observational time allocation and also a brief description of the equipment of the 1-m telescope, which is used either permanently or mainly on this telescope, are presented below. ...

. Statistics of sunspot activity . The sunspot indices . My observations . NGDC's observations . The solar regions . Links . About authors . Russian pages . The solar regions . NOAA 11300's . NOAA 11200's . NOAA 11100's . NOAA 11000's . NOAA 10900's . NOAA 10800's . NOAA 10700's . NOAA 10600's . NOAA 10500's . NOAA 10400's . NOAA 10300's . NOAA 10200's . NOAA 10100's . NOAA 10000's . NOAA 09900's . NOAA 09800's . NOAA 09700's . NOAA 09600's . NOAA 09500's . NOAA 09400's . NOAA 09300's .

Independent University of Moscow: vice-president for research, . ... 1971 Graduated from a mathematics oriented highschool in Moscow . ... 1976 Master of sciences summa cum laude in Mathematics, Moscow State University (Lomonosov) . ... 2001 Editor-in-chief of the "Moscow Mathematical Journal" . ... 2005 Director of Poncelet Russian-French laboratory (LIFR-MI2P) of CNRS and the Independent University of Moscow . ... Mathematics seminar of the Independent University of Moscow, vol. ... Moscow Math. ...

... FTP access the basic models is here . ... Below, we put short descriptions of the used SED models for the photometric redshifts providing by the current server . ... The uniqueness of this model consists in expanding to the near IR (NIR) of Rocca-Volmerange and Guiderdoni's (1988) atlas of synthetic spectra with a revised stellar library, which includes parameters of cool stars. ... Homepage of the GISSEL model). ... Another model used earlier is the model of synthetic spectra of Poggianti (1997). ...

announces . seminars & conferences . Zelmanov' seminar . scientific & engineering staff . students & postgraduates . useful links . projects . articles . catalogs & databases . algorithms & programming . 1 mas (отчет о первой астрометрической школе) . Труды ГАИШ . history of Moscow astronomical observatory . photo gallery . miscellaneous . Some pages are now in Russian only. editor valera , . librarian gribko .

The coordinates, diameters, altitudes and morphological features of all the craters of Mars exceeding 10 km in diameter, totaling 19 308, are compiled. ... The catalogue is intended for use by investigators of Mars, students, in comparative planetology and in the selection of craters for naming. ... 1 one terrace . 2 many terraces . ... 6 many hills and one ridge . 7 one hill and many ridges . ... 1 one crater . 2 many craters . ... Sample craters of different morphological categories . ...