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http://www.iki.rssi.ru/magbase/REFMAN/EAMAGSPH/wsynch.html.
http://www.iki.rssi.ru/magbase/REFMAN/EAMAGSPH/wsynch.html.
1. Synchronous Orbit
... Orbit . ... The orbital period of a satellite increases as its mean distance from Earth grows. ... T = 84 minutes x R x –R . ... A satellite orbiting above the equator at that distance keeps its position above the same spot on the ground; hence this is known as the synchronous orbit, from the Greek syn--same, chronos--time. ... For this reason many synchronous satellites have carried detectors for magnetic fields and for trapped or injected ions and electrons. ... Synchronous satellites . ...
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Ссылки http://www.cosmos.ru/mirrors/stern/Education/wsynch.html -- 10.3 Кб -- 24.03.2006
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2. Synchronous Orbit
... Orbit . ... The orbital period of a satellite increases as its mean distance from Earth grows. ... T = 84 minutes x R x –R . ... A satellite orbiting above the equator at that distance keeps its position above the same spot on the ground; hence this is known as the synchronous orbit, from the Greek syn--same, chronos--time. ... For this reason many synchronous satellites have carried detectors for magnetic fields and for trapped or injected ions and electrons. ... Synchronous satellites . ...
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Ссылки http://www.iki.rssi.ru/mirrors/stern/Education/wsynch.html -- 10.3 Кб -- 21.12.2007
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3. S.P.Korolev RSC Energia - YAMAL-200 COMMUNICATIONS SATELLITE
YAMAL-200 COMMUNICATIONS SATELLITE . Spacecraft Yamal-100, Yamal-200 were developed by the Corporation based on the S.P.Korolev RSC Energia-designed Multi-purpose Satellite Bus under a contract with Gascom within the framework of the Russian Federal SpaceProgram. ... Yamal-200 satellites were launched on November 24, 2003 at 9 hours 22 minutes, Moscow Time. Proton-K launch vehicle put the orbital module into its reference orbit. ... Orbit . ... Official WEB-site of S.P.Korolev RSC Energia . ...
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Ссылки http://www.energia.ru/english/energia/usp/yamal-200/yamal-200.html -- 17.5 Кб -- 02.10.2012
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4. Description of the RadioAstron project, english version
Ground Support of RadioAstron . Control and Tracking Stations . RadioAstron satellite control (command transmission, telemetry, orbit measurements) will be conducted from Evpatoria and Bear Lake control stations. ... Coarse orbit measurements will be carried out from control stations. Each measurement takes ten minutes. ... Orbit measurements at tracking stations give only radial component of spacecraft velocity but the measurements are going continuously during observing sessions. ...
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Ссылки http://www.asc.rssi.ru/RadioAstron/description/support_eng.htm -- 14.3 Кб -- 10.05.2008
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5. xmmtrack: XMM orbit TRACKing
... xmmtrack . ... xmmtrack is an interactive IDL application that visualizes the orbit and attitude data in an ODF in the form of a 3-D animation sequence. The presented scenery includes an astronomically accurate simulation of the Earth-Sun system plus the actual and predicted trajectory of the XMM satellite on its path around the Earth. ... Please note: XMM's orbit is highly time variable and the predicted orbit will significantly deviate from the actual trajectory if the reference epochs differ. ...
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Ссылки http://xmm.vilspa.esa.es/sas/8.0.0/doc/tools/node11.html -- 8.5 Кб -- 02.07.2008
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6. Kepler-10c: the First Mega-Earth | Astronotes
... Planets . ... Earth Satellites . ... The newly discovered ?mega-Earth? ... Its sibling, the lava world Kepler-10b, is in the background (the two planets? proximity is grossly exaggerated) .€а Kepler-10c has a diameter of about 29 000 km, 2.3 times as large as Earth, and weighs 17 times as much. ... The first mega-earth to be discovered is Kepler-10c which orbits a star lying about 560 light years from the Sun in the constellation Draco. ... Astronomers Find a New Type of Planet: The ?Mega-Earth? ...
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Ссылки http://www.armaghplanet.com/blog/kepler-10c-the-first-mega-earth.html -- 44.9 Кб -- 09.04.2016
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7. Lunar Orbiter 2
Lunar Orbiter 2 . ... The Lunar Orbiter 2 spacecraft was designed primarily to photograph smooth areas of the lunar surface for selection and verification of safe landing sites for the Surveyor and Apollo missions. ... The spacecraft acquired photographic data from November 18 to 25, 1966, and readout occurred through December 7, 1966. ... The two separate lens, shutter, and platen systems utilized the same film supply and recorded imagery simultaneously in adjacent areas on 70-millimeter film. ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/orbiter2.htm -- 9.8 Кб -- 15.03.1998
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8. Astronaut Bio: Shannon Lucid (02/2012)
National Aeronautics and Space Administration . Lyndon B. Johnson Space Center . ... SHANNON W. LUCID (Ph.D.) . nasa astronaut (former) . ... She is qualified for assignment as a mission specialist on Space Shuttle flight crews. ... A veteran of five space flights, Dr. Lucid has logged 5,354 hours (223 days) in space. ... Dr. Lucid retired from NASA in January 2012. ... In completing this flight, Dr. Lucid logged 838 hours and 54 minutes in space. ... FEBRUARY 2012 ...
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Ссылки http://www.jsc.nasa.gov/Bios/htmlbios/lucid.html -- 9.7 Кб -- 07.07.2015
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9. Dynamic tests of the scientific equipment 'Contact' have been completed in SSAU
... Pre-university education . ... Facilities and equipment . ... SSAU History . SSAU roadmap . ... Contacts . ... The scientists of Samara State Aerospace University have completed dynamic tests of the first Russian university nanosatellite SamSat-218D created by SSAU students. ... It has already passed the whole set of tests and transferred to the Rocket and Space Centre Progress . ... The whole test cycle of the nanosatellite SamSat-218D (Module Contact-Nanosatellite") will be completed in July. ...
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Ссылки http://www.ssau.ru/engnews/11689/ -- 26.0 Кб -- 31.07.2015
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10. Neptune One Year Away From First Complete Orbit Since Discovery
... Комментариев нет 22 августа 2010, 13:58 Blogger , English , Астрономия . ... Neptune will finally complete its first full orbit of the sun since it was discovered in 1846a approximately one year from now, according to NASA estimates. ... Twitter Weekly Updates for 2010-08-21 . ...
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Ссылки http://astro.uni-altai.ru/~aw/blog/2010/08/neptune-one-year-away-from-first-complete-orbit-since-discovery.html -- 49.8 Кб -- 10.04.2016
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11. ASP: Up, Up, and Away
... At an altitude of 200 kilometers (120 miles), a satellite zips by at 28,000 kilometers per hour, completing one orbit every 90 minutes. ... If the rocket engines force the satellite to go faster or slower than this velocity, the satellite goes into an elliptical orbit. A satellite in an elliptical orbit keeps changing its distance from Earth (see diagram ). ... At its farthest point from Earth (apogee), the satellite stops moving away from Earth and starts moving downward. ...
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Ссылки http://www.astrosociety.org/edu/publications/tnl/34/space2.html -- 15.8 Кб -- 02.10.2012
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12. Titania Ireland Mini-Campaign: Information and Documentation
The contribution of the astronomical community of Ireland to the scientific study of the solar system. Titania is the largest satellite of the planet Uranus. ... At around 02:00 UTC on September 8th, a 7.2-magnitude star will be occulted by Titania as seen from a relatively wide zone traversing Central America, the Atlantic Ocean and Western Europe. ... The Call for Observations home page also offers a bunch of information about this phenomenon. ... Also, the weather: . ...
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Ссылки http://star.arm.ac.uk/~aac/titania.htm -- 4.8 Кб -- 26.02.2002
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13. APOD: April 2, 1997 - A Complete Aurora
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. April 2, 1997 . A Complete Aurora . ... U. Iowa ), Polar , VIS , NASA . Explanation : Aurora frequently make complete rings around a pole of the Earth. ... A complete aurora l oval is normally hard to photograph because part of it usually occurs over a brightly sunlit portion of the Earth. ... About APOD > . ... NASA Technical Rep.: ...
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Ссылки http://www.sai.msu.su/apod/ap970402.html -- 4.5 Кб -- 21.12.2007
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14. A Complete Aurora
Astronomy Picture of the Day . A Complete Aurora . ... 2.04.1997 . ... U. Iowa ), Polar , VIS , NASA Explanation: Aurora frequently make complete rings around a pole of the Earth. This particular " crown ", visible in orange near the top of this image , was taken by the orbiting Polar spacecraft about one year ago and released by NASA last month. A complete aurora l oval is normally hard to photograph because part of it usually occurs over a brightly sunlit portion of the Earth. ...
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Ссылки http://www.astronet.ru/db/xware/msg/1163525 -- 12.9 Кб -- 23.06.2003
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15. NASA spacecraft completes 40,000 Mars orbits | Astronomy.com
... Tonight's Sky . ... Observing . ... Astronomy for Kids . ... NASA spacecraft completes 40,000 Mars orbits . ... NASA's Mars Reconnaissance Orbiter passed a mission milestone of 40,000 orbits February 7, 2015, in its ninth year of returning information about the atmosphere, surface, and subsurface of Mars from equatorial to polar latitudes. ... Two other active NASA spacecraft are currently orbiting Mars Mars Odyssey since 2001, and Mars Atmosphere and Volatile Evolution (MAVEN) since last year. ...
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Ссылки http://www.astronomy.com/news/2015/02/nasa-spacecraft-completes-40000-mars-orbits -- 69.4 Кб -- 10.04.2016
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16. http://www.stsci.edu/ftp/observing/status_reports/old_reports_97/hst_status_08_26_97
HUBBLE SPACE TELESCOPE DAILY REPORT #1949 PERIOD COVERED: 0000Z (UTC) 08/25/97 - 0000Z (UTC) 08/26/97 Daily Status Report as of 238/0000Z 1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED: 1.1 Completed WF/PC-2 6431 (Determination of the Extragalactric Distance Scale) The WF/PC-2 was used to make observations of the galaxy NGC-1425 to be used in measuring the periods of Cepheid variable stars within this galaxy. ... The observations were executed as scheduled, and no anomalies were noted. ...
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Ссылки http://www.stsci.edu/ftp/observing/status_reports/old_reports_97/hst_status_08_26_97 -- 8.1 Кб -- 26.08.1997
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17. GRANAT Home Page
GRANAT is the Russian x-ray sattelite launched to the high apogee orbit (200,000 km) and operated almost for 10 years (1989 -1999) , carrying out four major instruments: French SIGMA coded-mask hard x-ray telescope (30-1000 keV), Soviet ART-P coded-mask telescope (2??-60?? keV), all-sky monitor WATCH (6-150 keV), and a gamma-burst detector PHEBUS . ... Since September 1994, GRANAT is in the survey mode. ... Explore pages devoted to individual GRANAT instruments (including main scientific results): . ...
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Ссылки http://hea.iki.rssi.ru/GRANAT/granat.html -- 2.5 Кб -- 03.11.2009
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18. Satellite Tracking
Next: THE SCHED INPUT FILES Up: INFORMATION AND ADVICE ON Previous: Configuration Studies Contents . ... The NAIF software package from JPL is called to read the spice files and calculate positions. The NAIF software significantly increases the size of a SCHED distribution, and the satellite tracking capability is unlikely to be needed outside the AOC. ... To use the tracking capability, a Satellite Initialization section needs to be included in the main input file. ...
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Ссылки http://www.atnf.csiro.au/people/Tasso.Tzioumis/sched/Satellite_Tracking.html -- 9.4 Кб -- 10.04.2016
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19. APEX/Intro
... Research . Projects . ... The name of the project APEX is a reduction from words " Active Plasma Experiments " . The core of the project are active experiments with injection of electron and (or) plasma beams from a board of the satellite with simultaneous registration of the phenomena, produced by interaction of injected beam with background plasma. ... Active experiments utilise modulated electron beam accelerator and source of modulated xenon plasma beam on the main spacecraft APEX. ...
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Ссылки http://www.izmiran.rssi.ru/projects/APEX/intro -- 9.0 Кб -- 09.04.2016
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20. Air Optical Communication Systems
Free Space Optical Communication Systems . ... Airplane - geostationary satellite laser communication. ... Air ( space) optical communication systems ( AO ) . ... The Optical ground station was constructed at Teide observatory, Tenerife, Canary Islands for laser communication experiments from ground to geostationary (GEO) satellites. ... Laser communication experiments between ARTEMIS satellite and optical ground station (OGS) ESA at Canary Islands are performing also. ... CW laser test experiments . ...
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Ссылки http://www.mao.kiev.ua/staff/kuzkov/air.html -- 22.9 Кб -- 05.07.2013
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