Natural Satellites Service. ... Mutual occultations and eclipses . of the major satellites of Uranus . ... We present the ephemerides and circumstances of the mutual occultations and eclipses of the major Uranian satellites in 2006-2010. ... In 2006-2010 about 190 mutual occultations and eclipses will occur. ... The ephemerides of the mutual occultations and eclipses of the major satellites of Uranus in 2006-2010 are presented in four tables according to four periods of visibility of Uranus. ...

OSLO LT V5.4 Optical Software For Layout And Optimization . Articles | ... Has anyone out there tried to raytrace a telescope design? ... OSLO LT keeps track of the optical path length each ray travels, so it knows the phase relationship of the light as it travels through the telescope. ... Through the use of OSLO LT, I've been able to refine the optical design of the telescope I'm working on. ... www.astronomy.net . About Astronomy Net | ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Here we briefly summarize our long period experience of constructing and operating wide-field monitoring cameras with subsecond temporal resolution to look for optical components of GRBs, fast-moving satellites and meteors. ... We also give a status report on the next generation, multiob jective and transforming monitoring system, the MegaTORTORA, whose 6-channel (Mini-MegaTORTORA-Spain) and 9-channel prototypes (Mini-MegaTORTORA-Kazan) we are building now at SAO RAS. ...

... Launch Vehicles and Spaceships . We have two rockets used to launch manned spaceships : . ... VIR 2000 will be employed with the SIRIO 2000 spaceship. ... It can carry 960,000 pounds into several planets orbit or launch a 180,000 pound payload on several planets journey. VIR 2001 will be employed with the SIRIO 2001 spaceship. ... They test many of the techniques required for landing men on different planets , such as rendezvous procedures and leaving and re-entering and orbiting a spaceship. ...

This module provides the ability to set environment variables based upon attributes of the request. ... The mod_setenvif module allows you to set environment variables according to whether different aspects of the request match regular expressions you specify. ... BrowserMatch . ... Syntax: BrowserMatch regex env-variable [= value ] [ env-variable [= value ]] .. ... Module: mod_setenvif . ... The BrowserMatch directive defines environment variables based on the User-Agent HTTP request header field. ...

... For many ATMs, having a good ray trace program on hand is pretty valuable. ... http://www.willbell.com . ... It is a slick Windows package with great graphics, but my most recent machine (Win95 OSR2) now encounters many error messages. ... OSLO LT : This is the freeware Windows version of OSLO - it is limited to 12 surfaces, but is otherwise amazing. ... KDP : This is another powerful, freeware Windows raytrace package. ... ZEMAX : This is yet another powerful, Windows raytrace package. ...

... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Mars . ... Supernova showered Earth with radioactive debris . ... Early Mars bombardment likely enhanced life-supporting habitat . ... Get to Know the Night Sky . ... Asteroid DayУ?т??т??s Don Yeomans: Will asteroid 2013 TX68 strike Earth? ... How do mission designers know at what angle to land on an astronomical body such as the Moon, Mars, or Earth? ... Get instant access to subscriber content on Astronomy.com! ...

The inspection of Spectrum X-Gamma vibro-thermal model at Lavochkin Association by SXG scientists and designers, June,8., 1999. ... Assembled vibro-thermal model of Spectrum X-Gamma spacecraft and scientific payload is ready for final part of vibrational tests. ... Complex acceptance tests of flight models of Russian scientific experiments at OKB Aalam, Bishkek. Preparation of scientific experiments for acceptance tests (KFRD, EUVITA, SMM, SPIN) . ...

... The Project of the Scientific-Educational Small Satellite for Research of the Earth's Upper Atmosphere Density . ... Summer Space Schools as the Effective Form of Operation above International Educational Space Projects . ... NSPO's Microsatellite Program . ... Ultraviolet Radiation Detector of the MSU Research and Educational Microsatellite "Universitetskiy-Tatyana" . ... A.A. Karandaev, S.O. Karpenko, V.V. Muravyev . ... Space Research Scientific and Educational Project of Moscow State University ...

... 400mm f/2.8 Nikor lens: images the sky on the entrance slit. ... The optical system maintains image quality along the slit length so that each row of the image is a spectrum of that spatially selected region of the sky. 180mm f/2.8 Nikor lens: collimates the light from the slit. ... The auxiliary optical platform on WISPI now accomodates a short focal lens and a guiding/imaging video system that may use sub-pixel corrections to provide feedback to the tracking drive motors. ...

... Nikolaeva, N. A. Nizhel'skiib, G. V. Zhekanisb, and P. G. Tsybulevb b Astro Space Center, Lebedev Physical Institute, Moscow, 119991 Russia e mail: ykovalev@asc.rssi.ru Special Astrophysical Observatory, Russian Academy of Sciences, Nizhnii Arkhyz, Russia Received December 16, 2013 a Abstract--The results of a large number of the antenna radiometric measurements at bands of 92, 18, 6.2, 1.35, and 1.7­1.2 cm are presented by the data of the standard telemetry system of the Spektr R spacecraft. ...

Molniya Triplane Aircraft . Molniya-1000 (Heracles) . ... It is intended for carrying large-sized cargo up to 450 tons or passenger modules with capacity up to 1200 persons at the external suspension. It can be used as an aircraft-carrier for aerospace systems. The HERACLES aircraft can be used on non-class as well as the first class airdromes with improved (if necessary) taxi ways. The use of low pressure pneumatics enables the aircraft operation from prepared ground airfields. ...