... Une note trє¦s prєµcise, contenant des questions spєµciales, fut donc rєµdigєµe et adressєµe єђ l'Observatoire de Cambridge, dans le Massachusetts. ... L'Observatoire de Cambridge. ... л1€ђ Est-il possible d'envoyer un projectile dans la Lune? . ... л3€ђ Quelle sera la durєµe du trajet du projectile auquel aura єµtєµ imprimєµe une vitesse initiale suffisante, et, par consєµquent, єђ quel moment devra-t-on le lancer pour qu'il rencontre la Lune en un point dєµterminєµ? . ...

Statistics of sunspot activity . The sunspot indices . ... Visual indices of solar activity . ... n - number of spot groups . A - Waldmeier class of unipolar spot groups without penumbra . B - class of bipolar spot groups without penumbra . C - class of bipolar spot groups with one penumbra pole . D - class of small bipolar spot groups with two penumbra poles . E - class of middle bipolar spot groups with two penumbra poles . ... H - class of unipolar penumbrated spot groups . ...

... This file descrip.doc 80 984 Authors' description ppmsouth.dat 131 197179 Positions and Proper Motions - South ppmsofmt.dat 138 197179 PPM South - in format of old PPM North -------------------------------------------------------------------------------- Byte-by-byte Description of file: ppmsouth ... Note on pmRA and pmDE: Proper motion in right ascension fro epoch and equinox J2000.0, on the system of FK5 given in seconds of time per Julian year. ... Part I. The Basic Fundamental...

... These Facts and Questions pages mainly tell you how to use the Aberrator-interface and also explain the nature of the aberrations. ... Airy disc: the brightest spot of light when you look at a star in focus. This disc can contain a maximum of 84% of all the light that arrives from a star (perfect refractor telescope). MCT : Maksutov-Cassegrain telescope. A closed-tube mirror-telescope with a secondary obstruction. Less common than the SCT, this telescope uses a corrector (real glass). ...

... В теме В разделе По форуму . ... Научная панорама ? Пятый релиз Слоановского обзора . ... 24.07.2007 [10:04:54] ? данные arxiv:0707.3380 Пятый релиз Слоановского Цифрового обзора неба (The Fifth Data Release of the Sloan Digital Sky Survey) . ... Over the course of five years, SDSS-I imaged more than 8,000 square degrees of the sky in five bandpasses, detecting nearly 200 million celestial objects, and it measured spectra of more than 675,000 galaxies, 90,000 quasars, and 185,000 stars. ...

. Home . Structure of Data . Description . Catalog . Publications . VO . ЮБ 2000 . 11:14:20.2 . ЮД 2000 . -57:33:04 . l . 290.172 . b . 2.895 . diameter . 14.0' . (m - M) 0 . 11.4 0.05 . distance . 1900 50 pc . E(B - V) . 0.08 0.01 . log(t) . 9.65 0.05 . (J, J-H) isochrone VOTable . 2MASS data VOTable . Developed by the Team . Send us your questions or feedback

... 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 ...

... Iridium Satellite намеревается возобновить коммерческую эксплуатацию телекоммуникационной сети на основе низкоорбитальной спутниковой группировки уже с апреля этого года. ... На прошлой неделе российский государственный космический научно-производственный центр имени М.В. Хруничева предложил компании Iridium Satellite возобновить эксплуатацию спутниковой системы Iridium в России. ... ГКНПЦ им. М.В. Хруничева предложил Iridium Satellite возобновить эксплуатацию спутниковой системы Iridium в России . ...

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спутники Юпитера . ... 7,07 час . ... 9,56x10^16 кг . ... 7,77x10^17 кг . ... 1,77 дня . ... 11 165 000 км . 240,9 дня . ... 250,6 дня . ... 259,2 дня . ... 610,5 дня . ... Немецкий астроном Симон Майер (Мариус) увидел их несколько раньше, но принял за звезды. ... Я поэтому заключил и решил бесповоротно, что имеются три звезды в небесах, перемещающихся вокруг Юпитера, как Венера и Меркурий вокруг Солнца; что и было подробно установлено и стало ясным как день после многочисленных других наблюдений. ...

. VLBI Laboratory . VLBI topics: . AGN . Quasars . polarisation mapping . maser sources (OH, H 2 O, SiO) . interstellar scattering . radio supernova remnants in extragalaxies . intraday variability . space VLBI . Other fields: . methods and equipment of VLBI . interferometry observations . Pushchino VLBI station : . coordinates: . telescope RT-22(in Russian) . technical data . site of RT22(in Russian) . Webmaster Subaev I.A. Last update 23.Jule.2002.

... The authors compare different standpoints on historical process of ethnoses emerging and developing on the area of Ancient Russ and Great Steep: a) the concept of M.Adgi ("panturkism"), Turks ethnos was prevailing on the area; b) the concept of G.V. Nosovskiy and A.T. Fomenko ("paslavyaism"), the Slav ethnos was prevailing on the area; the concept of L.Gumilyev ("passionarnost" theory), the ethnoses were living together without dominating one over the other. ...

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