Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . ... September . ... Posted on February 18, 2011 | 2 Comments The Zodiacal light is a rarely seen yet intriguing spectacle in a dark sky. ... Continue Reading.. ... 12 Comments In 2003 astronomers discovered Eris, an object seemingly bigger than Pluto, in the frigid Trans-Neptunian wastes of the Solar System. ... Posted on November 5, 2010 | ... Posted on October 14, 2010 | ... Posted on September 27, 2010 | ...

... Galaxy Collisions: Simulation vs Observations . ... 14.05.2013 . ... Explanation: What happens when two galaxies collide? ... Since galaxies are mostly empty space, no internal stars are likely to themselves collide . ... Pictured above is a computer simulation of two large spiral galaxies colliding , interspersed with real still images taken by the Hubble Space Telescope . ... May 2013 . ... Publications with keywords: colliding galaxies . Publications with words: colliding galaxies . ...

Race to the Planets Family Event Sample Agendas Family ASTRO Leader Kits and Guides are designed to contain enough materials and activities for two full family events. ... What's Next: As families leave, make sure they know about the date and time for your second Race to the Planets session and that you'll want to know how they did playing the "Surfing the Solar System" game. ... If there are any planets visible in the night sky, a nice follow up to this family event is a planet observing session. ...

... Staff . Research staff . Technical, administrative & librarian staff . ... Staff in alphabetic order . ... Galaxies, AGN, Cosmology . ... Star formation . ... The impact of Warm Dark Matter of the ages of galaxies . ... Nicola Menci (INAF-Rome) and collaborators have delevoped a model (the Rome semi-analytic model) that connects the physics of gas and star formation in galaxies with the merging history of dark matter halo in a Warm Dark Matter scenario. ...

... Data Analysis SAS News What is SAS? ... Back to Calibration Homepage The most recent Canned Response Matrices can be downloaded here (please refer to Update 2014-11-24 ) and can be used to estimate EPIC count rates in AO15. ... PN response files . ... MOS response files . Since SAS 6.5 the full set of ready-made MOS response files is not provided (see "Update 2005-12-15" ). ... Note: MOS response files before SAS 6.5 had a different nomenclature as the one listed above (see "Update 2005-12-15" ). ...

Astronomy Discussion Forums . Forums: . ... Discussion Forums . ... Outside Of The Universe . ... Post Message | ... if there are stars in a galaxy. and there are galaxies. in the universe. then if you keep things in the order of things. then there must be other universes. out side of this one. that seems to be the order of things. ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

... In the context of the autonomous TAROT observatory we have developed an automatic scheduling software. ... With the advent of automatic telescopes and the use in service mode of large facilities, the problem of efficient night scheduling is becoming more important. ... However, we encountered some difficulties handling periodic or constrained requests with a large time interval, and it is unable to give to the telescope users and operators the visibility over the schedule. ...

... The Impact of HST on European Astronomy . ... These range from the study of nearby planets, the processes of star and planet formation, the stellar and interstellar components of galaxies, the discovery that most, if not all, galactic nuclei harbor a massive black hole that profoundly affects their evolution, to the realisation that the universe as a whole is undergoing acceleration as a result of a yet unknown form of dark energy . ... Formation, structure and evolution of galaxies . ...

ASTRONOMY IN UKRAINE - 2000 AND BEYOND . ... Kyiv, Ukraine, 5-8 June 2000 . ... The primary objective of the conference is to consider the integration of astronomical research in Ukraine into the international astronomy. ... VLBI for Astronomy and Geodynamics Convenors: Kees van't Klooster (The Netherlands), Leonid M. Litvinenko (Ukraine), Chopo Ma (USA). ... Planetary Astronomy Convenors: Teodor Kostiuk (USA), Robert Nelson (USA), Yuri Shkuratov (Ukraine). ... The "general" registration fee: 100 USD. ...

Russian page . The 6th International Astronomy Olympiad will be organized on September 26 - October 3, 2001 in the scientific town of Nauchnyj, Republic of Crimea. ... Weather in Crimea . ... Those who were interested to get further information about the VI International Astronomy Olympiad (including official invitations for teams and observers: Ukrainian visa and visa support was necessary for citizens of some countries!) were welcome to contact Coordinating Council in English or Russian . ...

... MASTER Net is 56 square degrees per 1 exposition . ... 06 Dec 2015: GRB 151205B: MASTER-NET early optical observations GCN18665 . ... 18 Nov 2015: GRB 151118A: MASTER-NET optical observations GCN18613 . ... 12 Nov 2015: GRB 151112A: MASTER-NET optical limit GCN18591 . ... 07 Nov 2015: GRB 151107A: MASTER-NET optical observations GCN18565 . ... 31 Oct 2015: Five OTs detected by Global Robotic MASTER Net ATel8232 . ... 02 Oct 2015: GRB 151001B: MASTER-NET early optical observations GCN18380 . ...

... LINKS . ... 0 total, enter for more, latest pics follow . AAL Activities . ... 105 total, enter for more, latest pics follow . ... Internet Time: @850 . ... INTELLIGENT-IP Internet Services . SOME LINKS . ... more links.. ... The AAL is not responsible for the content of external internet sites! ... Coordination & Astronomical Content by: J. Steinberg ...

Maidanak Laboratory is a part of Sternberg Astronomical Institute of Moscow State University. ... Observations are conducted with 1.5 meter RC telescope AZT-22 of Maidanak Observatory (Uzbekistan). rus . ... maidanak lab home page . ... at Sternberg Astronomical Institute . ... 2000). ... Because of technical reasons, we had to use three different CCD cameras in our observations, Pictor-416 camera in 1995, Pictor-416 and TI 800 x 800 cameras in 1997 and 1998, and ST-7 camera in 1999 and 2000. ...

... A Proposal for an International Atlas of Lunar Exploration Philip J. Stooke Department of Geography University of Western Ontario London, Ontario, Canada N6A 5C2 Introduction. ... I propose the creation of an International Atlas of Lunar Exploration to tell this story in cartographic form. ... Many new products would be based primarily on spacecraft images rather than drawn maps, which will also reduce costs and help illustrate the primary data products of the principal lunar missions. ...

... Impact on source motion in Galactic coordinate system is given by Kovalevsky (2003), Malkin (2011) l cos b = -A sin l, b = -A cos l sin b, where A = R0 02 /c is the galactocentric acceleration called hereafter the GA constant. ... We just have to return to the traditional many-centuries-old astrometric practice of modelling the position of a celestial object as a linear trend with two parameters: the position at the initial (conventional) epoch and the apparent (proper) motion. ... 2011). ...

... Telescopes, instruments and cameras are keenly affected by local weather and atmospheric conditions. The decision to open any telescope or have access to any instrument or camera is at the sole discretion of the on-duty observing specialist(s) at the time of your requested access. ... Specific parameters exist for access to APO telescopes, instruments, or cameras which protect our highly-sophisticated and sensitive equipment and provide safe work conditions for staff and visitors. ...

Next: Critical Frequencies and Gravitational Previous: Extragalactic Gravitational Wave Background . The number of binaries per frequency decade per solid angle from a separate stellar system (galaxy or cluster of galaxies) is . ... For example, for the Andromeda galaxy M31 ( rad, ) one gets . ... If the angular size of the galaxy is less than the angular resolution of the detector, the critical frequency is independent of the angular resolution, . ...

... 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. ...

... Club By-laws . ... Other Club Activities . ... Public Nights . ... Dr. James Green, NASA, Director Planetary Science will be our esteemed speaker on Tuesday, April 12, 2016 at 7:30 PM in Peyton Hall on the Princeton University campus. ... Our astronomers setup telescopes for public use at Communiversity in Princeton, Super Science Saturday at the NJ State Museum in Trenton and at various public events around Mercer County. ... Amateur Astronomers Association of Princeton, Inc., ...