Russian Space Science Internet (RSSI) is a successful result of RSSI Project. ... space oriented organizations; . ... RSSI offers for its members : . ... videoconferences via MBONE Internet protocol (there are 2 tunnels available now through the general IP network: one to NASA Internet, and another to Moscow State University); . ... It is designed so that all organizations connected to the RSSI gain access to the resources of Russian computer networks as well as world wide Internet. ... nic@rssi.ru ...

В магнитосфере Земли обнаружены микровихри . 17 августа 2005 г . В 2000 г. Европейское космическое агентство отправило на околоземную орбиту квартет одинаковых спутников Cluster (все они имеют танцевальные названия - Salsa, Samba, Tango и Rumba). ... Тогда четверка спутников располагалась на орбите по углам воображаемого правильного тетраэдра, все стороны которого имели длину 100 км. ... Предыдущий документ - Следующий документ . ... Планета Земля . ...

... 000, 1­13 (2010) Printed 21 September 2011 A (MN L TEX style file v2.2) A universal ultraviolet-optical colour­colour­magnitude relation of galaxies I1gor V. Chilingarian1,2, and Ivan Yu. ... Received 2011 Sep 15; in original form 2011 Feb 6 ABSTRACT The bimodal galaxy distribution in the optical colour­magnitude diagram (CMD) comprises a narrow "red sequence" populated mostly by early-type galaxies and a broad "blue cloud" dominated by star-forming systems. ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

... ARTICLE: The Adventurous Search For The Astronomical Unit . ... Kepler himself had suggested to use the rare occasions of Venus transiting (crossing) the solar disk to measure our distance to the planet. ... Due to the orbital inclination of Venus against the ecliptic of 3.5°, a Venus transit is so rare that it happens only at intervals of 121.5 years, 8 years, 105.5 years, 8 years and so on. ... Crabtree witnessing the transit of Venus 1639 . ... Transits of Venus - The Quest for the Solar Parallax...

... The source exhibits a mas-scale structure which, according to the USNO multi-epoch monitoring at 2.3 and 8.4 GHz over the period from 1994 July through 1998 April, undergoes considerable changes in the brightness distribution and positions of the major structural features. Our image is qualitatively consistent with the structural pattern of the source. ... We note a difference of ~90 in position angles of secondary components in our image and the 5 GHz VLBI image by Shen et al. 1998). ...

... The USA. ... American Symbols. Holidays in the USA. The Wild West. ... Columbus discovered America in 1492 but he thought it was the coast of India. ... The original inhabitants of North America were the Indians. ... The United States of America (USA) occupies a large territory between 49 and 25 N. L. (North Latitude). ... The United States has Thousands of lakes all kinds and sizes. ... The waters of the five lakes have their outlet into the Atlantic O cean by the St. Lawrence River. ...

... В теме В разделе По форуму . ... Темы, интересные всем ? ... Научная панорама ? arxiv:0711.2932 База данных по галактическим шаровым скоплениям . предыдущая тема следующая тема . ... 0 Пользователей и 1 Гость просматривают эту тему. ... arxiv:0711.2932 База данных по галактическим шаровым скоплениям (Galactic Globular Clusters Database: a progress report) . ... Кратко описывается база данных по шаровым скоплениям. ... http://xray.sai.msu.ru/~polar/sci_rev/173.html#arxiv/0711.2932 . ...

. Предисловие. Введение. Глава 1. НЕМНОГО ТЕОРИИ. 1. Свет, оптические детали и характеристики систем. 2. Конические сечения. Поверхности вращения. 3. Как работает телескоп? . 4. Простейший телескоп. 5. Аберрации. 6. Ахроматические линзы. 7. Идеальный объектив и тонкая структура изображения. 8. Разрешающая сила телескопа. 9. Предельные увеличения телескопа. 10. Эффективность телескопа. 11. Типы телескопов.

... 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. ...