... IONOSPHERIC DATA IN THE INTERACTIVE SPIDR SYSTEM . ... The Ionosphere The ionosphere is that part of the upper atmosphere where free electrons occur in sufficient density to have an appreciable influence on the propagation of radio frequency electromagnetic waves. ... These regions may be further divided into several regularly occurring layers, such as F1 or F2. ... E Region: The region between about 95 and 150km above the Earth that marks the height of the regular daytime E layer. ...
... Our scientific interest is an accuracy of asteroid CCD observations obtained by amateurs and professional astronomers all over in the World. ... These data help us to analyse an accuracy of real CCD positions in the MPC Database. ... Do you test your observations of the small Solar System bodies permanently before sending them to the International Minor Planets' Center? ... Do you know a real accuracy of your positional CCD-observations in comparison with the other observatories' one ? ...
Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Май 1998 . ... Дата: 14 мая 1998 (1998-05-14) От: Alexander Bondugin Тема: JSC Becomes First ISO 9001 Certified NASA Field Center Привет всем! ... From the mountain's extreme environment, health data will travel from the base camp to the NASA-Yale telemedicine project. ... NASA has been a pioneer in telemedicine since the beginning of human space flight. ...
NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...
... ARTICLE: Die Roche’sche Grenze . ... Beide Objekte besitzen eine derart groъe Masse, dass sie in der Hauptsache von ihrer eigenen Gravitationskraft zusammengehalten werden, wobei die Masse des Planeten die des Satelliten Эberwiegt. Sehen wir uns den Satelliten etwas nДher an. ... Dadurch enstehen an der OberflДche der zwei Objekte GezeitenkrДfte, d.h. die OberflДche des Satelliten krЭmmt sich in Richtung des Mittelpunktes des Mutterplaneten und umgekehrt (vgl. ... AAL member since 1996 . ...
... Страна-разработчик МКА США. МКА создан в рамках совместного проекта директората космических аппаратов Исследовательской лаборатории ВВС США AFRL (Air Force Research Laboratory) и Программы космических испытаний STP (Space Test Program)2. Назначение МКА Военно-исследовательский (создание системы оперативного прогноза нарушений в работе космических связных и навигационных систем вследствие возмущений в ионосфере)4. Год запуска МКА 16.04.2008 г.5. ...
Nickolai Copernic: "making the Sun stop, pushing the Earth". ... The aim of Copernic's investigations is improving the calculating schemes. ... In heliocentric system appeared an opportunity of calculating real proportions of Solar system using the radius of the Earth's orbits as an astronomical unit. Copernic's book "About Rotation of Celestial Bodies" contains a discription of astronomical devices as well as a new more exact catalogue of stable stars. ...
... ACCESSORIES . ... OEM COMPONENTS . ... ABOUT LOMO . ... MICROSCOPES . ... OEM OPTICAL COMPONENTS . ... MICROSCOPE APPLICATION GUIDE AND MODEL SELECTOR . ... LOMO stereo microscopes deliver crisp images for such demanding applications as industrial inspection, electronic component manufacturing, biological and botanical studies, classroom teaching, etc. ... LOMO manufactures the widest range of microscope accessories and components such as objectives, eyepieces, condensers, illuminators, stages, etc....
. The Yu.G. Shafer Institute of Cosmophysical Research and Aeronomy studies experimental and theoretical research of cosmic rays, magnetosphere-ionosphere system and solar-terrestrial relationships. The Institute was founded in 1962, it is placed in Yakutsk, Russia. Director of the Institute — Prof. Evgeny Berezhko.
... After the 2nd World War, the Executive Committee of the International Astronomical Union (IAU) made two groups in Moscow responsible for catalogues of variable stars. ... Presently, the variable-star catalogue groups still exist within the Sternberg Astronomical Institute and the Institute of Astronomy of Russian Academy of Sciences . ... Elena Kazarovets (variable stars in open clusters, Peremennye Zvezdy journal, GCVS) . ... Nataliya N. Kireeva (variable stars, globular clusters, GCVS) . ...
... Main page News People . ... Master . ... About Space Monitoring Laboratory, scientific directions, instruments, contacts . ... научным результатом работы сети телескопов-роботов МАСТЕР в 2012г. является массовое открытие оптических транзиентов (открыто около 180 новых объектов, по ним опубликовано 85 научных телеграмм ATel, 22 CBET и IAUC), среди них открыты сверхновые звезды типа Ia- и других типов (образование нейтронных звезд и черных дыр и поиск темной энергии), карликовые новые , ...
... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . des actualitГїs . ... des interviews, des portraits . les plus belles images de l'Univers dГїcryptГїes pour vous . ... des pages consacrГїes Г la publication de vos photos Mais c'est aussi une vraie communautГї avec laquelle partager votre passion et nourrir votre curiositГї. Accueil Г? la une Voyage au coeur d'un trou noir . ... Page 12 . ... Cygnus X-1, trou noir stellaire modГЕle . ...
Новости компании PENTAR . ... Официальное письмо PENTAX IMAGING SYSTEM . ... Управление Hoya Corporation, материнской компании PENTAX IMAGING SYSTEM , расположенной в Токио, выражает свое самое глубокое сострадание пострадавшим от катастрофы. ... Meade Instruments Corp. объявляет о пополнении серии высококлассных оптических принадлежностей MEADE 5000 новыми окулярами HD-60. ... 16 марта 2011 . ... HOYA CORPORATION PENTAX Imaging System выпустила новую камеру со сменными панелями - Optio RS 1500. ...
... Р?С?С?С?Р?Р?Р?Р?РеС?Р?С?Р?РеР? ... Launched on February 17, 1996, the Near Earth Asteroid Rendezvous (NEAR) mission is to be the first of NASA's Discovery missions, a series of small-scale spacecraft designed to proceed from development to flight in under three years for a cost of less than $150 million. ... The ultimate goal of the mission is to rendezvous with and achieve orbit around the near Earth asteroid 433 Eros in February, 1999, and study the asteroid for approximately one year. ...
... Ballistics, navigation and flight control of the spacecraft, going to the L2 point of Sun-Earth system. ... and calculation algorithms have been developed: - an algorithm, building nominal trajectories for one impulse flights to the L2 point of Sun- Earth system, including a Moon swingby maneuver or not. - an algorithm, calculating corrections of spacecraft trajectory needed for the flight from Earth to halo orbit and for stationkeeping of the spacecraft moving in halo ...
... Structure of Data . ... Catalog . ... In SAI OCL Catalog, we introduce our work on investigation of the Milky Way system of open star clusters. The main goal of our study is a search for new clusters using huge surveys. 168 new clusters have been already discovered by us using J,H,Ks data from 2MASS point source catalog. ... For 141 new clusters, we found their physical parameters using J,H,Ks data from 2MASS catalog and, for a number of clusters, our UBVRI CCD observational magnitudes. ...
... the historical dates of the Ukrainian space industry; . ... EXPOSITIONS OF UKRAINIAN SPACE INDUSTRY ENTERPRISES AND PARTNERS ON THE SUBJECT OF . ... Ukrainian Space Industry Investment Potential Exposition: . Investment opportunities in Ukrainian space industry; . ... Investment projects with participation of Ukrainian space industry enterprises; . ... Ukrainian space industry enterprises' securities; . ... Expositions of the Ukrainian Space Industry Leading Enterprises and Partners . ...
... 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. ...
Field centres for 6dF/FLAIR observations of the 6QZ survey. # 6dF fields have radius 2.844 deg. and were defined in the # J2000 system. FLAIR fields are square and are 5x5 deg # centred on UKST survey positions and defined in the B1950 # system. # 6dF : coordinates ( B1950 ) coordinates ( J2000 ) # Field hh mm ss.ss dd mm ss.s hh mm ss.ss dd mm ss.s sgp001 21 51 31.25 -30 11 45.4 21 54 25.40 -29 57 33.0 sgp002 22 10 08.35 -29 50 17.3 22 12 59.50 -29 35 25.0 sgp003 22 30 24.34 ...