... 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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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/082107c1.sum
• http://www.stsci.edu/spss/040757c2.sum
• http://www.stsci.edu/spss/040827b4.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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... 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"

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

... With enough velocity, a spacecraft can break loose from the Earth's gravity and enter an orbit around the Sun, like that of a planet. If it then orbits the Sun with the same period as the Earth--one year--it may keep a fixed position relative to Earth. ... If the distance is just right--about 4 times the distance to the Moon or 1/100 the distance to the Sun--the spacecraft, too, will need just one year to go around the Sun, and will keep its position between the Sun and the Earth. ...

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• Earth [Oulu]
• Magnetospheric electric fields (Oulu)
• Magnetosphere [Oulu]

... Peter J.K. "Jeff" Wisoff (Ph.D) . NASA Astronaut (former) . ... A veteran of four space flights, STS-57 in 1993, STS-68 in 1994, STS-81 in 1997 and STS-92 in 2000, Dr. Wisoff has logged a total of 42 days, 56 hours, 1 minute and 48 seconds in space, including , 19 hours and 53 minutes of EVA time in three space walks. ... Following 183 orbits of the Earth in 269 hours and 46 minutes, the eleven-day mission ended with Space Shuttle Endeavour landing at Edwards Air Force Base, California. ...

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• Astronaut Bio: Jay Apt 06/1997
• NASA Oral History Project
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... 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
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• Lagrangian Points

... 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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• NASA's Observatorium, AstroGuide Listing

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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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
• APOD: August 30, 1999 - Looking Back on an Eclipsed Earth
• Frequently Asked Questions

... 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,

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . Colin Johnston . ... Space Flight . Human Exploration . Robot Exploration . ... Science Fiction . ... Thanks to extensive training and consummate professionalism, the two astronauts successfully and without a fuss fixed the problem . ... Article by Colin Johnston, Science Communicator) . ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

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• Stargazing in June | Astronotes
• Unique Martian Sky Crane Tested | Astronotes
• Perseids 2011: All About the Meteor Shower | Astronotes

... Arecibo Observatory took radar images of asteroid 1998 QE2 and its moon as the space rock sailed safely past earth. ... Both the asteroid and its moon passed 6 million kilometers (3.8 million miles) from earth. ... Radar images of asteroid 1998 QE2 (bottom) and its satellite (top) on June 6. ... Radar images of asteroid 1998 QE2 (center) and its satellite (bottom left) on June 7. ... Radar image from June 7 showing the satellite moving past the primary. ...

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• Pulsar Astronomy at the Arecibo Observatory
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... Networking Nontechnical Lecture: Dark Energy and the Runaway Universe by Alex Filippenko (UCB) Updated July 21, 2010 MUENZINGER E050 UMC BALLROOM UMC 235 UMC 247 UMC 382+384 UMC 386 UMC 425 OTHER Registration Desk Open 9:45 ­ 10:30 10:30 ­ 11:50 11:50 ­ 1:15 1:15 ­ 2:15 Afternoon Plenary Session 1 2:15 ­ 3:00 3:15 ­ 4:15 1-hour Workshops 10-minute orals Hsu: 2010 National Observe the Moon Night Schatz: Surrounded by ...

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• ASP: What If the Moon Didn't Exist?
• ASP: To Every Season There is a Reason
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... 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 2011-07-02
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• Twitter Weekly Updates for 2012-09-01

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
• Tornado near Coonabarabran 2005 Jan 20
• Emma Kirby - Outreach

... First Contact Moon begins to move over Sun from West Starts at ~5:44:45 AM (about 10 minutes after sunrise) Must observe sun with filter! Good time to check and adjust mount tracking and alignment Watch for sunspots 6/21/ 2001 - Zambia ( Mario Motta ) First Contact Crescent images of Sun Natural pin-holes such as leaves on trees Pin-holes in cardboard Mario Motta Watch sky and environment Gradually darkens Temperature drops 8/11/1999 Hungary (Eric Pauer) ~1 min Before Second ...

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• Amateur Telescope Makers of Boston

This service is intended as an aid to visually observing close-approaching asteroids. ... By clicking on the column headers for "Object Name", "Maximum Brightness", and "Maximum Angular Speed", you can sort the list by those fields. ... When This is the predicted time when the asteroid will be closest to the Earth. ... This field shows red if an asteroid comes as close as the moon. ... PHA (Potentially Hazardous Asteroid) This does NOT mean that this is going to hit the Earth. ...

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• Topics in AstroStatistics
• Panning and Zooming
• Fixing and Freeing Region Markers