... The metallicity distribution of disk F stars in different age ranges: the left column for the sample of stars within 80 pc around the Sun; the right column for the restored complete sample at the solar galactocentric distance with allowance made for the radial metallicity gradient. The numbers indicate the age ranges expressed in billions of years. ... next figure . ...

... Как работает планетарий . ... Трибуна ученого . ... кандидат физико-математических наук, с.н.с. ГАИШ МГУ Попов Сергей Борисович . ... доктор физико-математических наук Прохоров Михаил Евгеньевич . ... доктор физико-математических наук, ведущий научный сотрудник Института астрономии РАН Вибе Дмитрий Зигфридович . ... Архив Трибуны ученого . ... Доктор физико-математических наук, сотрудник Звенигородской обсерватории Института астрономии Российской академии наук (ИНАСАН), руководитель группы . ...

Ionospheric Data 2. Ionospheric Digital Database - 2 discs. The Ionospheric Digital Database compact discs contain approximately 40,000 station years (1.35 gigabytes) of scaled digital vertical incidence parameters from about 130 sites around the world for the period from 1957 through 1990.These data have been contributed through a major cooperative effort among the World Data Centers and many ionosonde network organizations. ...

... Фантастические рисунки . ... Фантастика и Фэнтези . ... Здесь, помимо научной фантастики и фэнтези, находится большая коллекция детективов, книг по психологии, религии, астрологии.. ... Лучший сайт в Интернет, специализирующийся на обзорах фантастических телевизионных сериалов и фантастических фильмов. ... Особое внимание уделите коллекции научно-фантастических и фэнтези произведений зарубежных фантастов. ... Фантастические рисунки ] [ Космическая графика ] [ Фантастика и фэнтези ] . ...

... The paper surveys status of the Russian space activity in terms of budget, operati atellistems workforce and industrial capabilities. Shown, that the situation is uneven between the companies and particularly between various tiers of production cooperation. In the current situation international cooperation, both in form of joint non-commercial ventures and integration into global space market, is considered vital for sustenance of the national space capabilities. ... number of R&D programs . ...

... The solar regions . ... The description of the solar regions . ... The recurrent sunspots crossed the Sun disc since 2.03 to 14.03.03, along the mid latitudes of the Northern hemisphere. ... The fine bipolar sunspots were observed at the mid latitudes of the Southern hemisphere since 7.03 to 12.03.03, in the Western part of the Sun disc. ... The small bipolar group was observed at the 32rd parallel of the Northern hemisphere since 13.03 to 17.03.03, in the Western part of the Sun disc. ...

... The Triplet Lenses are manufactured by LOMO PLC of St. Petersburg Russia, one of the world's largest and most advanced optical manufacturers. ... This day the official web site of St.Petersburg company, lomo.ru, became accessible. ... LOMO VOTING PAPERS PROCESSING COMPLEXES TESTED SUCCESSFULLY . On December 16, 2001 during elections to Legislative Assembly of Leningrad Region, Russia, pilot pieces of the new Voting Papers Processing Complex created at LOMO PLC were used for the first time. ...

... T.T.T. Put up in a place where its easy to see the cryptic admonishment T.T.T. When you feel how depressingly slowly you climb, its well to remember that Things Take Time. ... SOCIAL MECHANISM When people always try to take the very smallest piece of cake how can it also always be that thats the one thats left for me? ... ATOMYRIADES Nature, it seems, is the popular name for milliards and milliards and milliards of particles playing their infinite game of billiards and billiards and billiards. ...