... 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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• Armagh Observatory

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/031397e1.sum
• http://www.stsci.edu/spss/010656d2r.sum
• http://www.stsci.edu/spss/010297a9.sum

... 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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• Rivi: Links and online resources
• Run_state
• Home Page of Michael Hilker

... It was designed to observe the solar wind approaching Earth, from a position near the Lagrangian point L1, and it is part of the International Solar-Terrestrial Physics (ISTP) Initiative . ... The original plan called for "Wind" to approach its final station over two years, undergoing two close encounters with the Moon to boost its speed. ... If however the object is moving , the encounter is not symmetric, and in the end the spacecraft may have gained or lost speed, depending on its trajectory. ...

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• Lagrangian Points
• The Acceleration of the Aurora
• FAQ: "The Great Magnet, the Earth"

... It was designed to observe the solar wind approaching Earth, from a position near the Lagrangian point L1, and it is part of the International Solar-Terrestrial Physics (ISTP) Initiative . ... The original plan called for "Wind" to approach its final station over two years, undergoing two close encounters with the Moon to boost its speed. ... If however the object is moving , the encounter is not symmetric, and in the end the spacecraft may have gained or lost speed, depending on its trajectory. ...

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• Lagrangian Points
• The Acceleration of the Aurora
• FAQ: "The Great Magnet, the Earth"

... 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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• Earth During a Total Eclipse of the Sun
• Астронет > Earth's Temperature
• Journal "Peremennye Zvezdy"

ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... What is a pulsar? ... Group . ... Processing . ... Updating clock files . Updating ut1.dat . ... Pulsar Groups . ... The corrections are published monthly by the International Earth Rotation Service (IERS) in several IERS bulletins . ... Then use the script getut1.2010 to extract UT1 -UTC for every fifth day and put it in the file ut1.tmp . ...

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• Updating ut1.dat
• Pulsar Group Processing/Ut 1
• Australia Long Baseline Array - 2002Nov Term schedule

NIFS was assembled and readied for its first cooldown on Friday August 24 2001. The cryostat contained the cold work surface plate and the radiation shields, but not the spectrograph or the On-Instrument Wavefront Sensor. ... The center of the cold work surface plate reached a minimum temperature of ~ 46.1 K. The getter reached ~ 9.2 K. Both are well below the required final operating temperature. ... Peter Conroy lowering the cold work surface plate into the cryostat. ... Pumping the cryostat. ...

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• Gemini NIFS October 2001 Update
• Gemini NIFS May 2001 Update.
• Tornado near Coonabarabran 2005 Jan 20

... 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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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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• http://www.asc.rssi.ru/RadioAstron/meetings/telecon/jan17_2012.pdf

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

... 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
• With the Moon's terminator moving almost 10 mph (16 km/h) across its equator,
• Advertiser Links | Astronomy.com

... Bad Astronomy . Misconceptions . ... Bad Astronomy : The Moon only shows one face to us because it is not rotating. Better astronomy : The Moon only shows one face because it is rotating, once every time it revolves around the Earth. ... Place the Moon model on the table about 30 centimeters (one foot) away with the X facing the Earth model. ... You'll see that to keep the X facing the Earth model, you have to rotate the Moon model as it goes around the Earth model . ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Bad News
• Phil Plait's Bad Astronomy: Mad Science

Lectures . ... Home Lectures Lecture Series 2010-2011 Lecture Series 2010-2011 ? Greening the Earth Using Space Resources? by Greg Matloff . ... Lecture Series 2010-2011 . ... 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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• aaa-logo-by-marcelo-cabrera-(fonts-traced)-updated ? Amateur Astronomers
• aaa-logo-by-marcelo-cabrera-(fonts-traced)-updated-smaller ? Amateur
• aaa-logo-by-marcelo-cabrera-(fonts-traced)-updated-small ? Amateur Astronomers

Internet Sites | Children's Books | ... Tilt of the Earth - Beautiful site explaning the tilt of the Earth. ... Nine Planets: Planet Data - It might be fun to discover how tilted the other planets are in the Solar System! ... Bill Nye the Science Guy-Episode: Climates - Learn a bit about the Earth's climates and make a model of a weather system. Weather Links for Teachers and Parents - Nick the Weather Dude's list of useful links about weather. ... Philomel Books, 1995. ... Tilt-A-World | ...

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• Latitudes and Attitudes - Links
• The AstroStat Slog Earth
• The AstroStat Slog Methods

... 2011 January 2 . Looking Back at an Eclipsed Earth . Credit: Mir 27 Crew ; Copyright: CNES . Explanation: Here is what the Earth looks like during a solar eclipse . The shadow of the Moon can be seen darkening part of Earth . ... This spectacular picture of the 1999 August 11 solar eclipse was one of the last ever taken from the Mir space station . ... Mir was deorbited in a controlled re-entry in 2001. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

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• APOD: 2004 September 26 - Looking Back on an Eclipsed Earth
• APOD: 2007 June 10 - Looking Back at an Eclipsed Earth
• APOD: 2011 June 1 - Earth Rotating Under Very Large Telescopes

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

... Astronomy search engine . ... PhysicsWeb Home Page . ... Sternberg Astronomical Institute . ... Astro Space Center Home Page . ... Landau Institute for Theoretical Physics . ... Astronomy and Space Physics Dept of Kiev University . ... NATIONAL RADIO ASTRONOMY OBSERVATORY Home Page . University of Hawaii - Institute for Astronomy . ... Space Telescope Science Institute Home Page . ... Sky & Telescope: The Essential Magazine of Astronomy . ... Springer LINK - Physics Online Library . ... Home . ...

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• Google Earth & Google PSearch
• Twitter Weekly Updates for 2011-07-02
• Twitter Weekly Updates for 2010-10-09

Apollo 11 astronaut Edwin Aldrin photographed this footprint in the lunar soil as part of an experiment to study the nature of lunar dust and the effects of pressure on the surface. ... The footprint image has also become one of the enduring symbols of the first visit to the Moon. ... Central Latitude/Longitude (deg): -00.57,023.49 E . ... Illumination Incidence Angle (deg): N/A . ... NASA Image ID number: AS11-40-5878 . ... Code 633, NASA Goddard Space Flight Center . Greenbelt, MD 20771, USA . ...

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• Earth's Moon - Apollo 12
• APOD: August 30, 1999 - Looking Back on an Eclipsed Earth
• Clementine Image of Earth

... rfi seen in p1693 data . P1693 is the 327 Mhz pulsar search project. ... Below is a table of strips that julia would like done during the cable repair . I've added some columns of az,za to use and what has been done. I've used az=332.0840 for the computations. ... 332.0840 . ... 17:30-21:30 . ... pdevs2 . ... pdevs3 . ... done . ... pdevs4 . ... p1693 runs after cable repair . ...

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• Asteroid 1998 QE2 and Moon Safely Pass Earth
• VLBI at Arecibo Observatory
• Pulsar Astronomy at the Arecibo Observatory