The Second U.S. Naval Observatory CCD Astrograph Catalog ( UCAC2 ) Table of Contents 1) Introduction 2) Summary of the Project a) Observations and Instrumentation b) Reductions of UCAC Observations c) Computation of Proper Motions 3) Properties of the Catalog and Important Notes For the User a) Sky Coverage b) Completeness c) Positions, Proper Motions and Error Calculations d) UCAC2 Magnitudes e) 2MASS Photometry f) Non-stellar ... All stars in the UCAC2 have proper motions. ...

... Les gaz de la poudre, dilatаЙs par la chaleur, repoussаИrent avec une incomparable violence les couches atmosphаЙriques, et cet ouragan artificiel, cent fois plus rapide que l'ouragan des tempаКtes, passa comme une trombe au milieu des airs. ... On n'avait pas, d'ailleurs, entendu dire que le projectile fб?t retombаЙ sur un point quelconque des аОles et des continents terrestres, et J.-T. Maston n'admettait pas un instant une chute possible dans les ocаЙans dont le globe est aux trois quarts couvert...

... Space activity at the beginning of XXI-st Century view from inside G.M.Chernyavskiy STC for Earth Space monitoring of FSUE , Russia 1. The systemic approach in astronautics Everyone who has linked his life with astronautics and those who are interested in the future of the inhabitancy medium and its expansion up to cosmic scales, are troubled about the current state and development of space activity in the World and in the Native Land of the first artificial Earth satellite (AES). ...

... Астрономические данные в Сети - где искать и как пользоваться? Сайты с астрономической библиографией . ... Солнечные сайты . ... Астероидные сайты . ... http://www.uic.rsu.ru/astro/ А наиболее полный список на сайты по теме " что почитать по астрономии " (по-русски) можно найти в соответствующем разделе рейтингового каталога АстроТоп-100 . ... Прекрасная система поиска позволит Вам найти обзорные статьи практически по любому разделу современной науки - от физики и астрономии до химии и биологии. ...

... It is created for freeware distribution as an attempt to show the achievements of the Russian space industry and tell a story of the reusable orbital ship "Buran" . On your screen you will see a stunningly realistic picture of near-Earth space, as well as several spacecraft, created or envisaged by the really talented Russians: . ... demonstration mock-up of the military orbital laser station "Polyus" ("Pole") , which suffered a failure during its launch on May 15, 1987; . ... Texture . ...

... A rough estimation is that in the United States there is one planetarium per 100,000 population, ranging in size from the Hayden Planetarium's 20-meter dome seating 430 people, to three-meter inflatable portable domes where children sit on the floor. ... Together dblo associates make a huge impact in the architecture, interior design and development arena in London. ... With the holidays around the corner what better way to spoil your family than with your very own private home cinema. ...