... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...

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... Edit the file oyster/usno/cronjob to contain the proper path to the update shell script, and then use the command . crontab cronjob . ... Otherwise, the database usno/mark3.dat obtained with the download will not be updated and eventually will not provide Earth orientation data for the date observed. In this case, a warning message will be displayed, which, however, can usually be ignored in all cases but astrometry. Christian Hummel 2015-04-28 ...

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Calendar Summary: 010651A2H calendar start time: 2001.065:15:15:00 end time: 2001.065:22:00:00 span: 000:06:45:00 Distribution by Priority: Tot 100 90 80 70 60 50 40 30 20 10 0 No. cand. in C&C List.. ... TOTAL PRIMARY, PRIME.. 0.09 1.28 6 Prime Align.. 0.08 1.24 3 Prime Tar Acq Align.. 0.00 0.00 0 Prime PCS Acq/Re.. ... 0.00 0.00 0 Moving Targ, Align.. 0.00 0.00 0 Moving Targ, Tar Acq.. 0.00 0.00 0 Moving Targ, PCS Acq/Re.. ... 0.00 0.00 0 FHST Updates Roll.. ... 0 0 TOTAL.. ...

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• http://www.stsci.edu/spss/031327bh.sum
• http://www.stsci.edu/spss/030067b3.sum
• http://www.stsci.edu/spss/031327c2.sum

The ut1.dat file contains the corrections made to UT1R-TAI time which is used by the Tempo and Tempo2. ... The corrections are published monthly by the International Earth Rotation Service (IERS) in several IERS bulletins Bulletins B, C, D'. ... The script `getut1' extracts UT1R - TAI for every 5th day and places it in the file ut1.tmp. ... Extract the required UT1 - UTC offsets using the script `getut1' %getut1 B.nnn This produces a file ut1.tmp in the iers directory. ...

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• Pulsar Group Processing/Ut 1
• Pulsar group | Processing / Ut1
• Australia Long Baseline Array - 2002Nov Term schedule

spaceweb@oulu.fi - last update: 12 March 1999, 0935 UT (RR) . ... In first order the magnetic field created by this magnet is that of a dipole whose axis is tilted with respect to the spin axis by about 11 degrees. ... The difference between the dipole axis and geographic axis is one of the reasons why there are so many different coordinate systems needed to describe locations in space around the Earth. The area around the Earth governed by its magnetic field is called the magnetosphere . ...

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• Magnetosphere [Oulu]
• Spacecraft Observing Earth's Space Environment
• Lagrangian Points

... Earth's Temperature . ... 30.01.1997 . ... NOAA Explanation: What's the temperature outside? No matter where you are on Earth , the above map can tell you. This global montage was created using the temperature data from numerous satellites orbiting the Earth. This map indicates temperatures recorded early on January 26 th , 1997, but an even more recent map -- updated every 6 hours -- is usually available . ... Publications with keywords: Earth . ... Hurricane Paths on Planet Earth . ...

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• Астронет > Earth's Temperature
• Earth Rotating Under Very Large Telescopes
• Earth Nears Asteroid Toutatis

... Spacecraft . 29a. Satellite looking up . ... 29e. Explorers of distant space . Space Index . ... Many "down-looking" satellites also carry out local observations, among them Polar, Viking, Freja and satellites of the GOES and DMSP series. ... Other explorers of the distant magnetosphere have included the three ISEE spacecraft (International Sun-Earth Explorers), Polar in an elliptical polar orbit with cameras observing the polar aurora, and Image observing energetic neutral atoms. ...

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• The Wind Spacecraft
• Frames of Reference: The Basics
• Authors of The Exploration of the Earth's Magnetosphere

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . This project was established in mid-1998 to help coordinate, and provide a focal point for, the study of those comets and asteroids that can approach the Earth's orbit. ... Web Site . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

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• Lowell Observatory Near-Earth Object Search - LONEOS, AstroGuide Listing
• Near-Earth Asteroid Tracking - NEAT, AstroGuide Listing
• NASA's Observatorium, AstroGuide Listing

Apollo 12 astronaut Alan Bean holds a special environmental sample container which holds soil collected during the second moonwalk EVA. ... Central Latitude/Longitude (deg): -3.01, 23.42 . ... Instrument: Hasselblad Camera . ... Instrument Field of View (deg): 60 mm Focal Length . ... Illumination Incidence Angle (deg): N/A . ... NASA Image ID number: AS12-H-49-7278 . ... Code 633, NASA Goddard Space Flight Center . Greenbelt, MD 20771, USA . ... Code 630, NASA Goddard Space Flight Center . ...

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• Earth's Moon - Apollo 11
• What's New
• Arcetri Astro-Picture collection Arcetri Astro-Pictures Collection

... 2011 June 1 . Earth Rotating Under Very Large Telescopes . ... Explanation: Why is the Earth moving in the above video? ... The video dramatically shows the actual rotation of the Earth, called diurnal motion , in a clear and moving way, as if the camera were floating free in space. The telescopes featured in the video are the Very Large Telescopes (VLT) in Chile , a group of four of the largest optical telescopes deployed anywhere in the world. ... About APOD | ...

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• APOD: 2013 February 17 - Asteroid 2012 DA14 Passes the Earth
• Earth Picture List
• APOD: 2004 November 30 - Lake Effect Snow on Earth

... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Moon . ... Supernova showered Earth with radioactive debris . ... Moon Maps . ... Gift Center . ... With the Moon gradually moving away from Earth, what will happen to people and objects when the Earth-Moon center of mass reaches Earth's surface? ... The barycenter, or the Earth-Moon system's center of mass, is a mathematical construct used to help us understand the system as a whole. Get instant access to subscriber content on Astronomy.com! ...

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• Hayabusa update | Astronomy.com

... Google Maps . ... 101) Байки из Фидо (7) Литература (16) Листая страницы прошлого Выберите месяц Апрель 2016 (2) Март 2016 (4) Февраль 2016 (4) Январь 2016 (5) Декабрь 2015 (4) Ноябрь 2015 (3) Октябрь 2015 (5) Сентябрь 2015 (5) Август 2015 (5) Июль 2015 (5) Июнь 2015 (4) Май 2015 (8) Апрель 2015 (5) Март 2015 (4) Февраль 2015 (4) Январь 2015 (7) Декабрь 2014 (7) Ноябрь 2014 (4) Октябрь 2014 (5) Сентябрь 2014 (8) Август 2014 (8) Июль 2014 (6) Июнь 2014 (7) Май 2014 (11) Апрель 2014 ...

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• Twitter Weekly Updates for 2010-09-25
• Twitter Weekly Updates for 2012-09-01
• Twitter Weekly Updates for 2014-01-10

MINUTES of the RadioAstron Teleconference on December 13, 2011 Yu.Yu. ... IOC status update M. Popov informed the participants on the current IOC results. ... Kovalev added: we continue to observe pulsars and spectral line sources in radiointerferometer mode but only with spacecraft and we are also going to observing pulsars soon with space-ground baselines. ... Kovalev: It is fringe-fitting result. ... In RAFS05 we replace it with K-band observing (maser source Ori KL ­ spectral lines ~100000Jy). ...

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Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... November 9, 10, 11, 12 and 13 . December 6, 7, 8 and 9 March 24, 25, 26, 27 and 28 . ... December 3, 4 and 5 February 13, 14 and 15 . ... December 10, 11, 12, 13 and 14 . Incoherent Scatter Radar ionospheric parameters measurements are carried out on coordinated days determined by the International Geophysical Calendar. ...

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• East Siberian Center for the Earth's Ionosphere Research. Objectives.
• East Siberian Center for the Earth's Ionosphere Research. Modernization...
• East Siberian Center of Earth Ionosphere Research. Chirp ionosonde.

The Earth. ... The middle raiding of the Earth is 6371,032 km, the pole 6356,777 km equatorial - 6378,160 km. The Earth surface area is 510,2 mln km^2, 70,8% of which is the World ocean. ... According to the modern cosmogonical views the Earth was formed 4,6 - 4,7 billions years ago from the protoplanet cloud captured by the Sun. ... The Earth is conditionally divided into 3 parts: a bark a cloak and a core (in the centre). The external layer - the bark is 35 km thick. ... Above the Earth. ...

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• radiazpe
• redkoste
• lunohodphotoe

What is a pulsar? ALFA Pulsar Surveys . General AO observing site , which contains the remote and pulsar observing sites (Note: the latter is now outdated. It will soon be replaced by an updated version). ... Control Interface Module for Arecibo (CIMA) . ... time_ao.dat - Latest clock correction files for the Arecibo Observatory - updated to 2013 July 01 . ... NAIC] [Astro Home] [Staff] [Observing] [Receivers] [ALFA] [RFI] [Data] [Memos] [Publications] [Calendar] [Contacts] . ...

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• Asteroid 1998 QE2 and Moon Safely Pass Earth
• utcToUt1Fit_dec07
• Pnt correction after may11 level platform.

... IAA VLBI Analysis Center . ... First IAA SLR EOP submission to IERS Annual Report . ... Beginning of operational processing of SLR observations . ... We use several program packages for analysis mostly developed at the IAA: GROSS for processing of the SLR observations and analysis of EOP and coordinates time series, OCCAM/GROSS for computation of EOP, station coordinates, and troposphere parameters time series from the VLBI observations, GRAPE for processing of GPS observations. ...

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• Laboratory of minor bodies of Solar system
• LAB Space Geodesy and Earth Rotation-OCCAM/GROSS
• LAB Space Geodesy and Earth Rotation - QUASAR

... Jay Apt (Ph.D.) . NASA Astronaut (Former) . ... PUBLICATIONS: Dr. Apt shared his images and knowledge in the publication Earth in Orbit : NASA Astronauts Photograph the Earth , written in conjunction with NASA scientists Michael Helfert and Justin Wilkinson and published by the National Geographic Society. ... From 1976 to 1980 he was a staff member of the Center for Earth & Planetary Physics, Harvard University, supporting NASA s Pioneer Venus Mission by making temperature maps of Venus from Mt. ...

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• NASA Oral History Project
• Astronaut Bio: Peter J. K. Wisoff 11/2001
• JSC Celebrates 40 Years

... Classes . ... Earth . ... tcc::Earth Class Reference . ... std::tr1::array < double, 3 >љ . ... std::tr1::array <double, 2> tcc::Earth::poleInterceptX . ... std::tr1::array <double, 2> tcc::Earth::poleInterceptY . ... std::tr1::array <double, 2> tcc::Earth::poleSlopeX . ... std::tr1::array <double, 2> tcc::Earth::poleSlopeY . ... std::tr1::array <double, 3> tcc::Earth::startTAI . ... std::tr1::array <double, 2> tcc::Earth::ut1_taiIntercept . ... std::tr1::array <double, 2> tcc::Earth::ut1_taiSlope ....

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• Mirror Controller Version History
• lsst.tcc: tcc.axis.computeSlew Namespace Reference
• Mirror Controller Actor

... If the Earth is round, the Sun must be north of the equator in northern summer, and south of the equator in northern winter. ... From the Earth's perspective, the Sun is spiraling from north to south and back again along the ecliptic (see figure 7 ). ... The round Earth, at the summer solstice. ... If the rotation axis of the Earth is tilted with respect to its orbit, the equator bobs back and forth, causing the Sun to be north for half the year, and south for the other half (see figure 9 ). ...

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• ASP's 2009 Annual Meeting - Daily Poster Schedule
• ASP: What If the Moon Didn't Exist?
• ASP: This Restless Globe