Astronomy Picture of the Day . ... Credit Copyright: Tun Tezel ( TWAN ) Explanation: Is the Sun always straight up at noontime? ... Turning the problem around, however, as in finding where the Sun actually appears to be at high noon , is as easy as waiting for midday, pointing your camera up, and taking a picture. ... Pictured above is one such high noon analemma -- a series of pictures always taken at exactly noontime over the course of a year. ... Publications with keywords: analemma . ...

Lessons learned from the Thirty Meter Telescope site testing Tony Travouillon Sebastian Els, Angel Otarola, Reed Riddle, Matthias Schoeck, Warren Skidmore TMT.XXX.PRE.05.0XX.DRF01 1 Introduction TMT and its Site testing. Important choice before going on site. ... Considerations during analysis of the data. TMT.XXX.PRE.05.0XX.DRF01 2 Some Background about the TMT Site Testing TMT is a 30m, segmented, RitcheyChretien telescope design. ... ASCA Cloud Cover Analysis So how do we do it in practice? ...

... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Mars . ... Previously understood that magnetic fields were directly related to rotation, so when I read that Mars, like Venus, didn't have one, my understanding crumbled. What exactly causes magnetic fields in planets? ... RELATED TOPICS: MAGNETIC FIELD . Planetary magnetic fields are definitely related to rotation, but directly not so much. ... Get instant access to subscriber content on Astronomy.com! ...

... Structure of Data . ... Catalog . ... The SAI OCL Catalog site provides several VO-enabled modes of operation: . VO-enabled catalog data analysis from a browser . ... Endpoint URL is http://ocl.sai.msu.ru/catalog/conesearch/ . ... VO-enabled catalog analysis from a browser . Presently, this recipe works with Firefox (Windows, MacOS, Linux), Internet Explorer (Windows) and Opera (Windows) browsers with Java plugin 1.6 installed. ... Main TOPCAT window with SAI OCL catalog loaded will appear. ...

... Astronomy Letters . ... Since January 2000 our English translation (Astronomy Letters) is available on-line !!! . ... Scanned copies of Astronomy Letters for 1975-2000 can be found on-line in free access in ADS . ... The journal is translated in English under the name Astronomy Letters . ... 1995 , 1996 - the Grand prize (full story) , 1997 (full story) , 1998 (full story) , . ... LANL / ITEPh astrophysics preprints . ... E-mail: pazh@hea.iki.rssi.ru . ... 2016 IKI RAN ...

... 8, ``Celestial Mechanics'', 2002 Regularity and chaos for planetary orbits in binaries D. Benest Observatoire de Nice, Nice, France 1. ... Previous papers showed that stable planetary orbits, around either the lightest or the heaviest component of several nearby binary systems, exist up to distances from their primary of the order of more than half the binary's periastron sep­ aration. ... Chaos: bounded or sticky? It is now well­known that planetary dynamics may include some proportion of chaos. ...

... De Magnete . ... More on "De Magnete" . ... A Gilbert Expt. ... Before Gilbert . ... different parts of Gilbert's terrella Of his own experiments, the most important was conducted with a magnetized " terrella " ("little Earth"), a spherical magnet serving as a model for the Earth. ... In addition to studying magnets. ... The last of the 6 "books" into which Gilbert's work is divided deals with the motion of Earth in space and its possible connection to magnetism. ... Magnetism from Gilbert to 1820 ....

fitshdr - FITS-file headers manipulation tool fitshdr [options] [FITSfile_name] . ... fitshdr [options] --edit FITSfile_name . ... If You want to modify headers of FITSFILE using new FITS-header lines from HEADER file (or from stdin), You have to use this option (You can skip this option, if -H or --header option is used). ... Empty header lines are not displayed (in 'dump' mode only). --line-offsets . ... In 'dump' mode: file offset will be displayed for each header line. --no-line-offsets . ...

... Go to This section of the glossary . ... APHELION : The point in a planet's orbit where it is farthest from the sun. ... It melts at 83.95 K, and boils at 87.45 K. Many people don't realize that argon makes up a full 1% of our atmosphere, while carbon dioxide is only a fraction of a percent of our atmosphere. ... COMET: An object moving about the sun in an eccentric orbit and composed of materials which, on warming up near the sun, form a "tail" which always points away from the sun. ...

... Parameters of the Moon-perturbed orbit . ... From orbits consistent with this limitation and with the date of the launch October 1, 2000 as an example, an orbit was selected with apogee directed to the North Galactic pole at the begining and rotation of orbit plane was maximized. The initial state vector is given in the inertial coordinate system in epoch J2000.0. ... The orbit has initial perigee radius Rp=7000.0 km, initial apogee radius Ra=343000.0 km and initial period T=8.453 days. ...

ATMoB Network Acceptable Use Policy Created 6/1/2005 The Amateur Telescope Makers of Boston, Incorporated provides this network terminals for its members. ... Users must respect the privacy of others. ... The Services may not be used in a manner that precludes or significantly hampers network access by others. ... Where the network or devices are being used to access another network, any abuse of the acceptable use policy of that network will be regarded as unacceptable use of our network. ...

The nasa.gov site requires that JavaScripts be enabled in your browser. ... Contact NASA . ... The following are astronauts who are employed at NASA. Astronaut assignments and category definitions (e.g., "active" astronauts, "management" astronauts) are contained in a separate Flight Operations Directorate (FOD) policy letter. Astronaut . ... Acaba, Joseph M. 2004 . ... Aunon, Serena M. 2009 . ... Barratt, Michael R. 2000 . ... Burbank, Daniel C. 1996 . ... Cassada, Josh A. 2013 . ... 1998 . ...

New data - Magnetograms of Geophysical Observatory "Paratunka" 1967-2006 ! ... Solar Activity and Interplanetary Medium . Cosmic Rays . Ionospheric Phenomena . Geomagnetic Variations . Other STP Data . List of CD-ROMs in WDC for STP, Moscow . ... STP Data Online . ... Daily Forecasts of Geomagnetic Activity Geofor , (IZMIRAN) . Weekly Bulletin of Solar and Geomagnetic Activity Forecast , (IZMIRAN) . ... STP Data from other WDC's and Institutes and Observatories: . ...

University Satellites and . Space Science Education . ... The project of the scientific - educational small satellite for research of Earth upper atmosphere density . ... At the end of 80th years in Kuybishev aviation institute (nowadays the Samara State Aerospace University) has been developed the project of small spherical satellite " PION ", intended as for a calibration of ground resources of tracing behind space objects, and for refinement of density of upper atmosphere of the Earth. ...

Next: Silicate minerals Up: A Database of Optical Previous: Database of Optical Properties . ... If necessary, data have been determined for the different crystallographic axes. ... In the following we give some examples of the data and their possible applications. Table: Summary of data measured in the Jena laboratory, which are currently available from the JPDOC. compound . ... amorph. ... Next: Silicate minerals Up: A Database of Optical Previous: Database of Optical Properties root 2003-03-06 ...

Lutsenko Olena L. (PhD, Psychology, Associate Professor) Filonenko Anna (Master, Psychology, Lecturer) School of Psychology V. N.Karazin Kharkiv National University COURSE DESCRIPTIONS ­ PSYCHOLOGY OF LEADERSHIP Title and N of module 1­ Leadership Theories Themes 1. ... Ethical leadership. ... Organizational Behavior and Human Decision Processes, 95 , 140-155. ... Socializing the newcomer: The mediating role of leader-member exchange.Organizational Behavior and Human Decision Processes, 119, 114-125. ...

and 42 % 27-11-1999 Andr\'as Holl % 2.31: 02-05-2001 % % Konkoly Observatory, Budapest, Hungary % Use the following documentstyle definition : % \documentstyle[twoside, ibvs2, epsf]{article} % or % \documentstyle[twoside]{article} % \input ibvs2.sty % \input epsf.sty % epsf is only needed for figures % IBVS.STY screen message \ typeout {} \ typeout {IBVS.STY Ver. 2.31 - 02-05-2001 } \ typeout {Information Bulletin on Variable Stars - Konkoly Observatory} \ ...

... If you could point a telescope anywhere in the sky, where would you look? The Personal Space web application allows you to make a direct and personal connection to the universe by linking significant events in your own life with what was above you in the sky at that moment. ... Personal Space is an online invitation to connect with and explore the universe in an intuitive way by presenting beautiful astronomical images of the sky overhead at key moments and places of personal significance. ...

NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...

... Data access . ... He II 304 A, T = 80 000 K, solar transition region . 2009, August: . Files in JPEG format . Files in FITS format . 2009, September: . ... 2009, October: . ... 2009, November: . ... Fe IX 171 A, T = 800 000 K, solar corona . ... 7(499)132-65-96, Fax: +7(499)132-65-97 . ...