... Moon Phase below . ... ARTICLE: Why the moon always shows us the same face . ... Before you continue reading, you should know that this was not always the case, i.e. the Moon once was rotating with respect to the Earth, so that on every night a terrestrial observer (if there was one, because this was long, long before mankind appeared on our planet, and even before any major animals had appeared) saw another face of the Moon. ... Figure 1 (not to scale) shows how we can imagine the system Earth-Moon...

... GRIN lenses for telecommunication optics applications ? GTC (gradient telecom) lenses. ... GTC lenses are used in different fiber-optic devices: collimators, couplers, isolators and WDM etc . ... 2.Diameter . GTC lenses diameters are 1.0 mm, 1.8 mm, 3.0 mm and 4.0mm. ... 1.0 mm -3.0 mm diam GTC lenses are supplied in 0.22P, 0.23P, 0.25P, 0.27P and 0.29P length. 4.0 mm diam GTC lenses are supplied in 0.11P length. ... GTC . ... 3 scratches with 5mkm max width and 200mkm max length are allowed . ...

Download Izmccd (~2.7 MB). ... a) a choice of the best mode of measurements of stars and objects ("Properties/Measurement"), . b) a choice of reference stars. ... 1) necessity of presence on an image of a plenty of stars (we recommend to apply this mode, if on the frame of reference stars is more 100) . ... Sx and Sy depend from residuals at all reference stars (reference stars are marked by blue color). ... These residuals are the image of the star a minus function of a profile for each pixel. ...

... Heracles Triplane and Aerospace Systems . The key characteristics of two-stage aerospace systems are determined according to speed and carrying capacity of the aircraft-carrier used . ... So the SPIRAL system hypersonic carrier was expected to launch the second stage by weight 63 tons at a speed corresponding to 6M; whereas launching weight of the MAKS system orbital stage with the use of the An-225 MRIYA heavy subsonic aircraft reaches 275 tons, and the HERACLES aircraft - 450 tons. ...

Introduction The suggested invention relates to attitude control system of a spacecraft. ... Systems without interaction with ambient (Systems with jet engines) Here, for instance, we can put systems, which can generate torque because of jettisoning any particles or gas. ... The main element of the suggested attitude control system is an electrical motor, which main feature is absents of a stator. ... 3 Block diagram of an attitude control system on a jet engines base. ... It is a system with| | ...

... Более того, представитель компании Applied Space Resources (ASR), говорит о сроке в пять лет, по прошествии которого будет совершен первый полет к спутнику Земли. ... Для первого полета требуется около 1,5 миллиарда долларов. Лунный Договор, предложенный ООН в 1979 году, должен был ограничить область действия частных компаний. ... По словам экспертов, стоимость транспортировки вещества в космосе является заоблачной, варьируясь в пределах от 2000 до 3000 долларов за каждые 300 грамм груза. ...

главная . ... аппарат отделения . бюро отделения . ... Главная астрономическая обсерватория . A.G. Kyslakov, V.V. Zaitsev, A.V. Stepanov, S. Urpo. ... Organizations: Institute of Applied Physics, Nizhny Novgorod, Pulkovo Observatory, Metsahovi Radio Observatory, Finland . ... Организации: СПбГУ, ГАО РАН. ... C) 1999-2007 разработка и поддержка: отдел ПСИ НЦЧ РАН ...

О ПЛАНЕТАРИИ . ... ПРЕСС-ЦЕНТР . ... Главная / ПРЕСС-ЦЕНТР / Новые снимки Плутона . ... Система Плутон-Харон. ... New Horizons ( Новые горизонты ) представляет собой автоматическую межпланетную станцию, предназначенную для изучения Плутона и его естественного спутника Харона. ... На борту New Horizons установлено множество научной аппаратуры, в частности, спектроскопов и приборов для получения изображений, прощупывания поверхности Плутона и его спутника с целью создания карт рельефа. ...