... 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 . ...

... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...

... 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. ...

SAI VO . ... Web Services . Catalog Access Services . ... SAI Web Services . ... This service aims to automatically match stars in FITS image provided with catalogue and add the correct WCS keywords to its FITS header. ... Service Web Interface . ... The service is available here To use it, you has to provide the image as a Base64-encoded string, along with the rough information on image field of view size and center (the latter may be deduced from FITS header keywords like 'RA' and 'DEC'). ...

... From the Moon to the Earth . ... Credit: Apollo 11 , NASA Explanation: After the most famous voyage of modern times, it was time to go home. After proving that humanity has the ability to go beyond the confines of planet Earth , the first humans to walk on another world -- Neil Armstrong and Buzz Aldrin -- flew the ascent stage of their Lunar Module back to meet Michael Collins in the moon-orbiting Command and Service Module . ... July . ... Publications with keywords: Moon - Earth - Apollo 11 . ...

... ISC Kosmotras . ... Dnepr launch record 17 August 2011. ... On 9 September 2009, a contract was signed between ISC Kosmotras and SSTL for the launch of Nigeria-2 and NigeriaSat- у satellites on Dnepr rocket as part of 2010 cluster launch from Yasny Launch Base. According to information provided by SSTL the NigeriaSat-2 satellite is being built for the Nigerian government (NASRDA) as a follow-on to the NigeriaSat-1 satellite that was launched in 2003. ... E-mail: info@kosmotras.ru . ...

National Research Institute for Physical-Technical and Radio Engineering Measurements IMPROVEMENT OF THE SOFTWARE BERNESE FOR CALCULATION OF THE EARTH ROTATION PARAMETERS ACCORDING TO THE DATA OF SATELLITE LASER RANGING (LAGEOS 1, LAGEOS 2) IN THE MAIN METROLOGICAL CENTRE OF THE STATE TIME AND FREQUENCY SERVICE Tsyba E. N., Kaufman M. B. 141570, Mendeleevo, Moscow region, Russia tel. +7-903-194-7575; tsyba_e_n@mail.ru ABSTRACT Preparatory ...

... Infrared astronomy . ... Online resources . ... 1995 - . ... 1996 - . ... The Astronomical Journal . ... 1849 - 1997(ADS) . ... 1989 - 2013 . ... The Astrophysical Journal . ... The Astrophysical Journal Letters . ... The Astrophysical Journal Supplement Series . ... Communicating Astronomy with the Public (CAP) Journal . ... Journal for the History of Astronomy . ... Journal Geophysical Research A : Space Physics . ... Linux Journal ** For online access, please contact the Library . ... 1996 - 2013...

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Australia Telescope Online Archive (ATOA) . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

As announced by the IAU Central Bureau for Astronomical Telegrams in Circular No. 9004 on 11 December 2008, Bulletin C36 of the International Earth Rotation and Reference Systems Service announced that a positive leap second will be added on 1 January 2009. ... Bulletin C is mailed every six months, either to announce a time step in UTC or to confirm that there will be no time step at the next possible date. Daniel GAMBIS Head Earth Orientation Center of IERS Observatoire de Paris, France ...

Communications For Your Astronomy Event . Articles | ... 151.8200 MHz . FM Voice is typical use, but some data comms are possible . 2.0 Watts . ... 151.8800 MHz . ... 151.9400 MHz . ... 154.5700 MHz . ... 154.6000 MHz . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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. ...

... Created: 22 January 2001 . ... SERVICE AND CALIBRATION MANUAL . ... Draft Document Outline. ... 4 Preparing NIFS for Use or Storage . ... The purpose of this Service and Calibration Manual is describe the procedures used to service, maintain, and calibrate the operation of the Gemini Near-infrared Integral Field Spectrograph. ... Section 19.4.2 of the document “Programmatic Requirements for Gemini Instrumentation Development” states the requirements for the Service and Calibration Manual . ...

. ( Asterisk * stands for "all" ) . Select project: * prognoz7 prognoz8 prognoz9 prognoz10 instrument: * monitor sks04 bud3k promics rf2p brod mode: * np2 np3 vp1 vp2 vp3 . Begin YYMMDD . End YYMMDD . Prognoz-7 . Prognoz-8 . Prognoz-9 (Relict) . Prognoz-10 missions. Back to the Data Archive . MSh

... Param?tres . ... Centre de Donn es sur les Satellites Naturels. Param tres et constantes . ... Satellites de Mars . Satellites de Jupiter . Satellites de Saturne . Satellites de Uranus . Satellites de Neptune . Satellite de Pluton . Masses de satellites . Dimensions de satellites . Param tres photom triques de satellites . Param tres de rotation et p les . El ments orbitaux moyens des satellites lointains de Jupiter, Saturne, Uranus et Neptune . ...

Find Similar Abstracts . ... The theory of large-scale structure of the universe - Local properties and global topology . Authors: . ... 00/1983 . ... ASTRONOMICAL MODELS, BIG BANG COSMOLOGY, GALACTIC CLUSTERS, GALACTIC STRUCTURE, UNIVERSE, ANISOTROPY, GALACTIC EVOLUTION, NEUTRINOS, TOPOLOGY . ... Use: Authors Title Text Query with Keywords Return: Query Results Query Form Database: Astronomy Instrumentation Physics and Geophysics ABSTRACT QUERY USER FEEDBACK HELP ...

... Above Earth, Fixing Hubble . ... Fixing the Hubble Space Telescope . During the fourth servicing mission to upgrade and fix Hubble, astronaut Michael Good can be seen attached to the shuttle's robotic arm, working in an open panel of Hubble. ... Since Hubble was captured by the space shuttle Atlantis last Wednesday, five long space-walks have been used to fix and upgrade the aging telescope. ... Hubble will now undergo testing as Atlantis prepares to return to Earth later this week. ...

Next: The CDS Information Hub . ... In this context, the CDS (Centre de Donn?es astronomiques de Strasbourg) has developed the GLU system (G?n?rateur de Liens Uniformes). This tool allows all managers participating in the system to describe and easily distribute the URL definitions required to access their databases. ... So, the GLU system is particularly adapted to design cooperative Web services, allowing one to generate links to other services which remains always up-to-date. ...

... A form allowing access to any MPEC is at the bottom of this page. ... Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. Prepared using the Tamkin Foundation Computer Network MPC @CFA.HARVARD.EDU URL http://www.minorplanetcenter.org/iau/ mpc .html 2010 NJ1 Observations: K10N01J * K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J K10N01J ... C51 WISE. ...

... Time service of RATAN-600 outputs sideral seconds and impulses of minutes with time codes for feed-cabines. These signals are coincided with local sideral time, recalculated from coordinate time UTC, using of sideral time program (stm) having accuracy of 0.0001s. DeltaUTC can be received from Time service or from Astronomical Annuals. The program stm calculates mean sideral time on any date with high accuracy (usage: stm hh [dd/mm/yy] ). ...