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• Agenda
• Orbit Environment
• Radiation Damage

... 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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• ASP: The Moon: A Resource Guide
• ASP: The Moon: It's Just a Phase It's Going Through...
• The Moon: A Resource Guide Astronomical Society

... This is usually defined as the direction pointing toward the center of the primary body. ... NODE: The place where the plane of one orbit crosses the plane of another. ... ORBITAL PLANE: The flat surface that would result if every point on the orbit of a body was connected to the center of its primary. ... PENUMBRA: The edge of the primary body's shadow. ... PERIOD : The time required for one body to orbit the primary body. ... PROBE: A vessel designed to pass and observe an astronomical object. ...

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FFT. the FFT is written in C for efficiency and dynamically linked into Java at run time ...year. ... We do not discount the possibility of a version of Grid being made commercially available but none-the-less we will always provide a free version for download.. ... 1995. ISO is an ESA project with instruments funded by ESA member states (especially the PI countries: France, Germany, the Netherlands and the United Kingdom) and with the participation of ISAS and NASA...state. ... Germany. ...

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• Calculating the Position and Velocity Components of HST
• The Interaction of the ISO-SWS Pipeline Software and the ISO-SWS Interactive

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 ? ...

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• May 2012 Wonders in the sky | Astronotes
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JSC Celebrates 40 Years of Human Space Flight . America's Nerve Center for Mission Operations . ... Astronaut Edward H. White II, pilot of the Gemini IV space mission, is photographed during his extravehicular activity, the first ever by an American. ... For the first time, flight controllers performed their jobs from the new Mission Control Center at the Manned Spacecraft Center. Gemini IV became the first flight controlled from Houston and the longest duration mission to that date. ...

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... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Moon . ... Observing . ... Star Atlas . ... The Sky This Week: April 1 - 10 . The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... With naked eyes under a dark sky, you should be able to spot this star group as a faint cloud even though a crescent Moon also occupies the evening sky. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Comet ISON | Astronomy.com
• Lyrid meteors will light up the darkness | Astronomy.com

... Home Observing This Month?s Sky This MonthтАЩs Sky тАУ February 2016 . ... This MonthтАЩs Sky тАУ April 2016 . This MonthтАЩs Sky тАУ March 2016 . This MonthтАЩs Sky тАУ February 2016 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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• This Monthт??s Sky т?? March 2016 ? Amateur Astronomers Association of New York
• This MonthтАЩs Sky тАУ January 2016 ? Amateur Astronomers Association of New
• This Monthт??s Sky т?? April 2016 ? Amateur Astronomers Association of New York

... x00A0; x00A0; 3.1.4 Processor information . ... x00A0; x00A0; 3.1.8 Flag data . ... This note describes a revised MeasurementSet definition which extends that previously given in aips++ Note 191 (Wieringa and Cornwell 1996). ... The final category includes intermediate data and state information from devices such as correlators, radiometers, spectrometers or pulsar timers, amongst others, where they do not overlap with abstracted antenna properties defined elsewhere. ... This version is 2.0. ...

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• lbaops:lbamar2014:rk02ay [ATNF VLBI Wiki]
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• lbaops:lbamay2014:rk02az [ATNF VLBI Wiki]

. AstroInformatics . About . Chandra Short-Term Schedule Browser Demo . Search . ACIS-S ACIS-I HRC-S HRC-I Multiple instruments No instrument . Target: . PI: . Observation: . Sequence Number: . Instrument: with . Date: . Duration: hours . Perigee Pass: . Date: . Duration: hours .

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... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil La super Pleine Lune du 19 mars : le vrai et le faux . ... Retrouvez nos conseils d'observation de la plus grosse Lune de l'ann†йe dans les †йph†йm†йrides du num†йro de mars de Ciel & Espace, ainsi que dans l'†йmission JusquтАЩ†а l'aurore sur Ciel et Espace Radio . ...

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Observatories 3 --- | ... The 4 8-metre telescopes of the Very Large Telescope (VLT) are coming into operation in late 1999/early 2000 at that site. ... The two shown in this picture are the domes of the 1.5 metre and 1.0 metre telescopes. ... The 1.0 metre and 2.5 metre at LCO . ... The main telescope at present is the Du Pont 2.5-metre (the largest, most distant dome in this picture); the second open dome is the 40-inch; the small dome, the Toronto 24-inch (since moved to Argentina). ...

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This is a new popup window - close it when you are done . Submitted by Al Takeda on 03/22/2011 12:46:12 . Super Moon . On March 19th a nearly perfect perigee-syzygy occured which made the apparent size of the Moon larger then normal. ... Perigee is the point at which the Moon is closest in its orbit to the Earth and syzygy is a full or new moon, when the Earth, the Moon and the Sun are aligned. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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... Православный календарь . ... Вечный календарь v2.5 Программа, позволяющая получать данные о любом дне григорианского или юлианского календаря в период с 100 по 3000 год н. э. В удобной форме предоставляется информация о православном и народном календарях, гражданских праздниках, астрономических данных о Луне и Солнце и др.. ... Православный календарь на год. ... Смотрите также: История календаря. ... История календаря. ... История календаря и хронология. ... Календарь и хронология майя. ...

196. http://www.princetonastronomy.org/newsletters/03_2003sidereal.pdf

197. http://www.stecf.org/conferences/adass/adassVII/reprints/wieprechte.ps.gz