... Bad Astronomy . ... I think I will break from my usual format of Bad Astronomy/ Good Astronomy by saying that the way we define seasons currently is not strictly bad, but I feel (in my opinion!) that it could be better. The definition of when the seasons begin is at the moment of solstice or equinox; that is, winter (in the north) starts on December 22 nd and summer starts on June 22 nd . ... Now imagine breaking up the Sun's 46 degree up-and-down yearly swing into 1 day intervals. ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy

The night after the John Glenn program, I pitched the terraforming idea to my students. I asked them if they'd like to terraform Mars as a big class project; I wanted to throw the idea to them and see how they would react. Already I had a vision of splitting the class into several groups and having each group take charge of a portion of the project. ... Following my initial idea on how to conduct the project, I split the class into six groups, each student choosing his or her group. ...

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• ASP: An Ancient Universe - Changes in the Solar System
• ASP: Black Holes to Blackboards: Getting a Global Sense
• ASP: Focus on Education: Reach for the Stars

... Does your system have Motif? ... Download and untar XmTel. ... Compile XmTel and copy the binary to /usr/local/bin . ... Check that the XEphem app-defaults file points to the place where the essential fifo and catalog files are located. ... Create the fifos in the xephem/fifos/ directory referred to by the app-defaults file. ... Copy xmtel to a directory in your search path such as /usr/local/bin cp xmtel /usr/local/bin If you use system directories this step must be done as root or superuser. ...

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• PlotWindow (ImageJ API)
• ij.gui (ImageJ API)
• Deprecated List (ImageJ API)

... Corresponding authors will receive an e-mail with a PDF file of paged proof for checking and correction. The file can be read and edited using Adobe Acrobat Reader (version 9 and higher) which can be free downloaded via the Internet ( http://get.adobe.c om/reader/ ). ... You can use text correction tools to make corrections (after selecting the necessary text fragment). ... For users of Adobe Reader 9: . ... to insert text without replacing the existing text, use the "Insert text at cursor" tool. ...

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Stellarium 0.12.3 . ... Classes . ... FileљStructure . ... Landscape Class Reference abstract . ... More... #include < Landscape.hpp > . ... Landscape (float _radius=2.f) . ... load (const QSettings &landscapeIni, const QString &landscapeId)=0 . ... setBrightness (const float b) . ... floatљ . ... const QStringљ . getTexturePath (const QString &basename, const QString &landscapeId) . ... const floatљ . ... Definition at line 42 of file Landscape.hpp . ... const QString Landscape::getTexturePath . ...

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• Stellarium: AngleSpinBox Class Reference
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... Meade Instruments Corporation . ... Section 3: File Menu . ... Displays the dialog to open an existing image: . ... Saves the current image as a new file name or new file type, or both. ... This can be useful to prevent having 20 or more images open at once, and saves having to close them manually. ... This is done by creating a text file with the same name as the image file. ... Note that Image Information is saved within the FITS file, so there will not be a text file to accompany these files. ...

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• Meade Series 4000 Eyepieces
• Meade Instruments Corporation - Frequently Asked Questions

A full explanation of the motion of trapped particles would be too abstract and mathematical for this level, but some basic ideas may be described on an intuitive level. The magnetic force on a moving particle is always perpendicular to the motion, as well as to the magnetic field lines. That is why the basic pattern is motion in a circle, around a magnetic field line. ... The best-known periodic motion is the back-and-forth swing of a pendulum, say of a weight suspended by a string (drawing). ...

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• The Wind Spacecraft
• Discontinuities and shocks [Oulu]
• Callisto

... Happy People Dancing on Planet Earth . ... The Colliding Spiral Galaxies of Arp 271 . ... Looking nearly back toward the Sun, the robot Cassini spacecraft now orbiting Saturn captured crescent phases of Saturn and its moon Rhea in color a few years ago. ... Since Jupiter is near opposition, literally opposite the Sun in planet Earth's sky, Jupiter will rise near sunset just like the Full Moon. ... As both Earth and Mars orbit the Sun, the apparent angular size of Mars changes as viewed from the...

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• Full Moon Silhouettes

I. Installation . ... AMPLE package distributive (created with program InstallShield for Microsoft Visual C++) has been downloaded on FTP server of IAA RAS as archive Ample.zip. ... Note: If the window "file download" appears, select Open... switch button, then press OK button. ... The shortcut for AMPLE will be linked with this folder, and auxiliary files will be created here during AMPLE work. ... When running AMPLE all auxiliary and new configuration files are created in the WORK folder. ...

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• AY2006 (preface)
• AY (preface)
• AY2008 (preface)

JSC Celebrates 40 Years of Human Space Flight . America's Nerve Center for Mission Operations . ... An overall view from the rear shows activity in the new Mission Control Center, opened for operation and dedicated during the STS-70 space shuttle mission. ... Shuttle design and construction involved close support from the mission operations team. ... The Spaceflight Control Center in Korolev is where the Russian flight controllers support operations of the Russian elements of the space station. ...

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• Astronaut Candidates Biographies

The Status popup displays useful information about the state of sets, regions, and graphs. ... When the number of sets is less than 30, this button is not needed, use the scroll bars to view the status of the sets that are not shown in the display. ... Operations in the Status popup are performed by clicking on the operation, then clicking on one or more set numbers shown in the display. ... Clicking on Copy followed by clicking on a set number in the scrolled window will select the set to copy from. ...

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• http://xray.sai.msu.ru/~polar/xmgr/sets.html
• Semi-major axis change
• Australian Currency

THE 1999 PROJECT . The 1999 Martian Mission project is a further development of the 1988 project. It uses the results of design, research and testing activities that took place at RSC Energia since 1988. As compared with the previous project, changes were introduced into solar array panels which became modular, into lander shape where lifting body was replaced with a "discus", and into the number of the landers, with two landers - a manned lander and a logistics lander - instead of one. ...

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• INTERNATIONAL SPACE STATION
• S.P. Korolev RSC Energia - International Space Station

... Previous: Ground Tracking Station (GTS) Products . ... GRT Log File . ... GRT Gain Curves . ... What: Co-observing GRTs will each generate a log file identical to those for ground-based VLBI experiments. ... Where: Files are placed by GRTs on their regional server ( Regional Servers for GRT logs etc ) in the sub-directory named for the month and year (e.g. may97 ) below the sub-directory named gps . ... Where: Files are placed by GRTs on their regional server ( Regional Servers for GRT logs etc ). ...

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• GOCG Pre-Observation Products
• RSOG Pre-Observation Products
• Navigation Pre-Observation Products

Astronotes Armagh Planetarium's Stellar Blog! ... Planets . ... Alien Life . ... Space Flight . ... Prof. Pinklepot and the Aliens (Image credit: D-Signs and Displays ) . ... A sing-song concludes our visit to Planet Alien and the time-machine begins to start up again.€а We make our way back to Planet Earth and Professor Pinklepot thanks us for coming on this massive journey with him.€а The images used during the fly through space are stunning and we get a real sense of moving through the Cosmos. ...

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• The Dragons of Armagh Planetarium | Astronotes
• Armagh Planetarium: what's on this summer? | Astronotes
• How has Mars changed over billions of years? | Astronotes

SAI, graduates year 1982. ... Note: when just a 7-digit phone number is shown, it refers to a phone located in Moscow (international access 007-495). "+" in front of a number means that you must dial an international access code first (or just press "+" on your mobile phone keypad). ... 939-1672(work); . ... Ataev Sasha . 1-(703)-536-8881(home) (USA); . ... Bychkov Sergey . ... 1-(410)-740-8205(home), +1-(301)-286-2150(work) (USA); . ... 1-(412)-767-0332(home), +1-(412)-608-9339(mobile) (USA); . ...

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Modified 11 April 1999. The last modifications concerns to the new ground tracks selection on the base of the more wide list of the INSPIRE particpants. ... The range value was changed from 2 deg to 4 deg for the distance between lat/lon of the graund track and place of the INSPIRE members. Plots of predicted tracks under USA and Europe 11 April 1999 . April, 17, 1999 (USA) . April, 17, 1999 (EUR) . ... 11 April 1999 . ... place . ... Back to the IKI Satellite Situation Center (SSC) . ...

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• Principles of the Magnetic Trapping of Particles
• Lagrangian Points
• Identities

... All rights reserved. ds. The IRAF Client Display Library (CDL) Michael Fitzpatrick IRAF Group 1 , NOAO 2 , PO Box 26732, Tucson, AZ 85726 Abstract. The Client Display Library is a new interface that allows host (non­IRAF) C or fortran programs to display images or draw into the graphics overlay using the XImtool image server and image viewers which emulate the XImtool client protocol such as SAOtng, SAOimage, and IPAC Skyview. ... The IRAF Client Display Library (CDL) 203 Figure 2. ...

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• http://www.stecf.org/conferences/adass/adassVII/reprints/dolenskym2.ps.gz
• http://www.stecf.org/conferences/adass/adassVII/reprints/economouf.ps.gz
• NICMOS Software at the University of Arizona

LIPSKIY-RODIONOVA' LUNAR ANTIPODES AS PRECURSORS OF A REGULAR WAVE PLANETOLOGY G.G.Kochemasov IGEM of the Russian Academy of Sciences, Moscow, Russia kochem@igem.ru / Fax: (009)(095)230 21 79 The first observations of the lunar far side allowed to compare it with the near side and draw very important conclusions in the very beginning of planetary studies based on spacecrafts. ... Celestial bodies are dichotomic. ... The concept of celestial bodies includes Sun (a star) as one of them. ...

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• http://selena.sai.msu.ru/Symposium/lipskiy.pdf

Next: Scattering properties Up: Polarization properties (transmitted radiation) Previous: Linear polarization: wavelength dependence . Traditionally, the main problem considered in connection with circular interstellar polarization is the meaning of the wavelength where changes the sign . ... This is also demonstrated by Fig. 19 (lower panel) which shows the wavelength dependence of the factors of linear and circular polarization for particles of magnetite as was done by Shapiro ([ 1975 ]). ...

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• Linear polarization: wavelength dependence
• Announcements | Radiation mechanisms of astrophysical objects: classics today

... NASA Integrated Services Network (NISN) . ... Russian Space Science Internet (RSSI) . ... In the Fall of 1993, NASA Science lnternet (NSI) and the Russian Space Science lnternet (RSSI) began a cooperative effort to provide lnternet communications to selected Russian institutions in order to promote sponsored scientific cooperation between the two countries. ... This change, limiting full lnternet access via NISN for NASA selected Russian institutions, will take place no later than July 1998. ...

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