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1. Application Pratique de la Troisi?me Loi de Kepler
... Pour des orbites circulaires autour de la terre, nous venons de trouver . ... La distance d'un satellite au centre de la terre en m?tres est un nombre incommod?ment grand, m?me avant d'?tre port? ? ... Nous pouvons par contre multiplier l'expression de droite par (R E 3 / R E 3 ) = 1 et r?arranger alors les termes : . ... SQRT (25 638 838) = 5063.5 . ... C'est la forme pratique de la 3?me loi de Kepler pour les satellites de la terre. ... Prochaine ?tape: #22 Les cadres des r?f?rences : Les Bases . ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Fappl3rd.htm -- 7.1 Кб -- 21.12.2007
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Fappl3rd.htm -- 7.1 Кб -- 22.12.2007
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2. Applying Kepler's Third Law
For circular orbits around Earth, we found . ... The distance of a satellite from the center of Earth in meters is an inconveniently big number, even before we raise it to the 3rd power. ... SQRT (25 638 838) = 5063.5 From this . ... T= 5063.5 seconds SQRT(r') 3 = 5063 sec r'SQRT=(r') . This is the practical form of Kepler's 3rd law for Earth satellites. ... International communication satellites are in the equatorial plane of the Earth and have orbits with a 24-hour period. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/magbase/REFMAN/STARGAZE/Sappl3rd.htm -- 5.7 Кб -- 21.12.2007
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3. Jupiter Outer Satellite Orbit Ephemerides.
Outer Natural Satellites Orbits Ephemerides. ... Choose type of the ephemeride: . ... Values of the orbital elements [ output e sin( ), e cos( ), sin(i) sin( ), sin(i) cos( ) ] . Distances between the osculating orbits . ... Choose Second Satellite (for the distances) U17 - Sycorax U18 - Prospero U19 - Setebos U20 - Stephano U21 - Trinculo U22 - Francisco U23 - Margaret U24 - Ferdinand . ... Enter initial date (years) . Enter final date (years) . ... Enter upper limit of frequency deg/year . ...
[ Сохраненная копия ]  Ссылки http://lnfm1.sai.msu.ru/neb/nss/evolu7e.htm -- 5.1 Кб -- 30.05.2010
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4. http://www.stsci.edu/instrument-news/handbooks/nicmos/c08_overhead.doc3.html
... The first time you acquire an object you must include the overhead for the guide star acquisition. ... If it is larger, then the observer can choose to maintain pointing through the gyros (drop-to-gyro) or re-acquire the guide stars (3 minute overhead per re-acquisition-note that this is not the 6-minute orbit re-acquisition) every time the telescope goes back to the target; with the first option the pointing uncertainty is about 1 milliarcsec/second due to telescope drift. ... Exposure overheads: ....
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/instrument-news/handbooks/nicmos/c08_overhead.doc3.html -- 9.7 Кб -- 07.08.1997
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5. ASP: Up, Up, and Away
Ground traces of Mir and Hubble. This map show the points on Earth immediately below these two satellites. ... Mir completes one orbit every 92 minutes 26 seconds and reaches latitudes between 51.65 degrees north and 51.65 degrees south. Hubble orbits once every 96 minutes 35 seconds and reaches latitudes lower than 28.47 degrees. Map generated by "OrbiTrack'' version 2.1.4 with NASA orbital elements set 795. back to main article . back to Teachers' Newsletter Main Page ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/34/map.html -- 4.8 Кб -- 02.10.2012
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6. AY2016 (contents)
... Contents . ... Sidereal time . ... Mean longitude of the Moon, mean elements of the Moon's orbit and equator . ... Ephemeris for physical observations of the Sun . ... Ephemeris for physical observations of the Moon . ... Matrix elements for conversion to CIRS . ... Conversion of mean time to sidereal time (with accuracy 0.01 s ) . ... Conversion of sidereal time to mean time (with accuracy 0.01 s ) . ... Conversion of mean time to sidereal time (with accuracy 0.001 s and 0.0001 s ) . ...
[ Сохраненная копия ]  Ссылки http://www.ipa.nw.ru/PAGE/EDITION/ENG/AE/2016/ae_12.htm -- 16.5 Кб -- 10.04.2016
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7. INTERNATIONAL SPACE STATION
Upper stage Block DM-SLB has delivered spacecraft (SC) Measat-3a with a mass of about 2.4 tons into its target geotransfer orbit. The launch took place under the Land Launch program using Zenit-2SB launch vehicle (lift-off at 1 hour 50 minutes Moscow Time). ... The mission control for the upper stage with the SC was provided by the Technical Management (The Technical Manager is the President and Designer General of the S.P.Korolev RSC Energia V.A. Lopota). ...
[ Сохраненная копия ]  Ссылки http://www.energia.ru/eng/news/news-2009/photo_06-22.html -- 13.7 Кб -- 10.04.2016
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8. Was the 21 September Fireball a Second Moon? | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Moon . ... Earth Satellites . ... By admin October 4, 2012 Posted in: Moon . A tiny second moon.This is Phobos (27 km across) seen over Mars by ESA's Mars Express (Image credit:ESA) . ... They concluded that at any given time Earth probably has a second moon. ... But, just perhaps, briefly the Earth had a second natural satellite seen by thousands of people.Remember the spectacular fireball witnessed over the UK and Ireland on 21 September 2012 ? ...
[ Сохраненная копия ]  Ссылки http://www.armaghplanet.com/blog/was-the-21-september-fireball-a-second-moon.html -- 44.6 Кб -- 09.04.2016
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9. 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 ...
[ Сохраненная копия ]  Ссылки http://www.jsc.nasa.gov/Bios/htmlbios/lucid.html -- 9.7 Кб -- 07.07.2015
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10. saturne
Saturn: The beauty of the rings. Saturn . ... Belongs to the giant planets . It has no definite solid surface. ... The free fall acceleration at the Saturn surface near equator is 9,06 m/s^2 . ... In the centre of the planet the temperature is about 20000K. The satellites . ... The rings of Saturn . ... It is proved that Saturn's rings (as well as the other planet's) are the fragments of the great cloud being near the planet with million kilometres length (see how the rings were formed ). ...
[ Сохраненная копия ]  Ссылки http://www.space.vsi.ru/saturne.htm -- 6.7 Кб -- 14.10.2000
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11. galfacts 14feb13 wb rfi
... the total power cal deflections for the 1450 band (averaged over the 172 MHz centered at 1450) (.pdf) . ... bm0 polA total power vs time and za for files 950 thru 986 (.ps) ( .pdf ) . how close the gps satellites were to the dome during the rfi (.ps) ( .pdf ) . Galfacts (a2130) reported rfi during their run on 14feb13 (and into the morning of 15feb13). ... 2nd frame: 1300 MHz band total power vs time. the tsys increase with za is visible . 3rd frame: 1300 MHz band total power vs za. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~phil/rfi/lband/alfa_galfacts_wbrfi_14feb13.html -- 13.3 Кб -- 04.03.2013
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12. The International Space Station becomes the second brightest object in the
... Armagh Observatory, 24th March 2009: The International Space Station ( ISS ) has recently become the second brightest object in the night sky тАФ even brighter than the planet Venus, and second only to the Moon. Evenings will provide the chance of a spectacular view, if the sky is clear, as for the next few days the orbit of the ISS around the Earth repeatedly takes it over Ireland. ... At its best, it is now the second brightest object in the night sky. ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/scholars/iya/official_press_releases/iss.html -- 9.9 Кб -- 31.12.2009
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13. Leonids from Orbit
... 29.11.2000 . ... APL , UVISI , MSX , BMDO Explanation: Here is what a meteor shower looks like from orbit. During the peak of the 1997 Leonid Meteor Shower , the MSX satellite imaged from above 29 meteors over a 48 minute period entering the Earth's atmosphere. ... Recent analysis of the 2000 Leonids meteor shower indicates to many astronomers that the 2001 Leonids may develop into a real meteor storm , with meteor rates perhaps exceeding one per second visible from parts of Asia . ... 1999 2000 . ...
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/xware/msg/apod/2000-11-29 -- 14.6 Кб -- 18.12.2000
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14. Jupiter's Moon Adrastea
... Adrastea and Metis lie within Jupiter's main ring and may be the source of material for the ring. ... Galileo Image of Adrastea . ... The longest dimension of Adrastea is approximately 20 kilometers (12 miles) across. ... These images, taken by Galileo's solid state imaging system between November 1996 and June 1997, provide the first ever "family portrait" of the four small, irregularly shaped moons that orbit Jupiter in the zone between the planet's ring and the larger Galilean satellites. ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/adrastea.htm -- 8.4 Кб -- 15.03.1998
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15. Astronomy HyperText Book: Planetary Motion
Uniform Circular Motion . Kepler's First Law: All planets move about the sun in an elliptical orbit with the sun at one foci. ... In the above P is the orbital period measured in years and A is the semi-major axis measured in units of AU (the distance from the earth to the Sun). ... The discovery of retrograde motion in the orbit of mars was a serious challenge to the standard geocentric cosmology which demanded that all the planets orbit the earth in the same direction. ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/textbook/planets.html -- 3.5 Кб -- 08.11.1996
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16. APOD: 2000 November 29 - Leonids from Orbit
... 2000 November 29 . Leonids from Orbit . ... Explanation: Here is what a meteor shower looks like from orbit. ... Visible beneath the meteors are clouds lit by reflected moonlight, while visible above is the constellation of Aries . ... Recent analysis of the 2000 Leonids meteor shower indicates to many astronomers that the 2001 Leonids may develop into a real meteor storm , with meteor rates perhaps exceeding one per second visible from parts of Asia . ... About APOD | ... NASA Technical Rep.: ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap001129.html -- 5.0 Кб -- 01.10.2012
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17. http://www.atnf.csiro.au/news/ASS2001/program.ps
ATNF Student Symposium 2001 First Session Chair: Erik Muller 9.30am Melanie Johnston-Hollitt An Interpolated All Sky Rotation Measure Map 9.50am Daniel Mitchell Interferometric Decorrelation of Low to Mid Earth Orbiting Satellite Signals 10.10am Sebastian Gurovich Baryonic Tully Fisher Relation from HIPASS galaxies 10.30am Tracy Getts OH/IR Stars and the Galactic Centre Distance 10.50am Co ee Second Session Chair: Daniel Mitchell 11.10am Hayley ... Dion Lewis Pulsar glitches at Parkes and Mt. ...
[ Текст ]  Ссылки http://www.atnf.csiro.au/news/ASS2001/program.ps -- 101.4 Кб -- 11.01.2002
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18. The Russian TESIS Observatory will observe two solar eclipses from space
... This year's eclipse is unique in duration. ... Although, at the present time, there are 6 solar observatories belonging to leading space agencies in orbit around the Earth, the eclipse of 22 July, 2009, will only be seen by two of them: the Russian CORONAS-PHOTON satellite equipped with TESIS telescopes and Japan's HINODE satellite fitted with an XRT space telescope. ... TESIS will be the first of the two devices (and the very first on Earth) to witness the solar eclipse. ...
[ Сохраненная копия ]  Ссылки http://www.tesis.lebedev.ru/en/info/tesis_20090720_en.php -- 13.4 Кб -- 01.10.2012
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19. http://www.mso.anu.edu.au/pfrancis/roleplay/ziggy/model_answer2.pdf
... Planet Ziggy seems to be located in the outer regions of an elliptical galaxy, or perhaps in a globular cluster orbiting such a galaxy. ... We have not been able to detect any spiral galaxies elsewhere in the sky. ... Iif they are too small for their gravity to achieve this. force holding the two objects together ­ strongly suggests that these objects are Page 1 The Milk Stain No milky-way is seen. ... We are calling it the Milk Stain. This could be an elliptical galaxy or a globular cluster. ...
[ Текст ]  Ссылки http://www.mso.anu.edu.au/pfrancis/roleplay/ziggy/model_answer2.pdf -- 50.6 Кб -- 12.06.2002
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20. Second Spectrum-RG/eROSITA Conference
... Over the first 4 years, its X-ray telescopes eROSITA and ART-XC will survey the whole sky with a record sensitivity in the 0.5-10 keV energy band. ... The goal of the second international Spectrum-RG conference is to discuss the different scientific topics addressed by the mission, synergies with surveys at other wavelengths, and requirements to follow-up observations.Contributed talks and poster presentations are invited on the topics related to the SRG science goals. ... Active galactic nuclei . ...
[ Сохраненная копия ]  Ссылки http://hea.iki.rssi.ru/kazan2012/ -- 16.7 Кб -- 27.02.2014
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