. To create an archive file use the command: tar cvf tarfile_name .tar filenames ( directory_name ) . The command options cvf modify the way the tar command works. See the manual page for details. By convention the name of a tarfile archive ends in .tar . When you create a tarfile of a directory all the subdirectories are added; this can result in very large tarfiles. These should be compressed to reduce their size. Tip ... Examples .

. Name . Last modified . Size . Description . Parent Directory . - . astronomy_calendar/ . 2004-03-06 16:10 . - . etudes_about_scientists/ . 2001-12-24 15:21 . - . fire_enthusiasts/ . 2001-12-20 21:24 . - . galaxies/ . 2002-11-22 13:50 . - . making_telescope_at_home/ . 2001-12-20 21:07 . - . return_from_space/ . 2001-08-29 13:13 . - . telescopes_for_amateur_astronomers/ . 2001-01-09 11:45 . - .

Astronomy Discussion Forums . Forums: . Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... Discussion Forums . ... A sk your questions or find answers in the Astronomy Net Forums. ... 3608 posts in 1020 threads, 4:1 ratio . ... Blackholes - Theories, Discussion, etc. 6432 posts in 970 threads, 7:1 ratio . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

. Moscow Astronomical Plate Archives: Contents, Digitization, Current and Possible Applications. Light Curves of New Variable Stars Discovered on Scans of Moscow Collection Plates, Field 66 Oph (MDV). MDV catalog - CDS access. Moscow plate collection (Sternberg Astronomical Institute), S.Yu. Shugarov's interactive page. Send questions and comments to N. Samus and S. Antipin .

... Astronomy and Astrophotography - amateur tips and ideas from personal experience. ... CNES : CLEMENTINE data Server - Access to 1.8 million lunar images . ... Astrofili on the Web - Dr. Fabio Marino's CCD images and links. Astronomical Images - Deep-sky astronomical photographs. ... Astronomy Page - collection of amateur astrophotographs, along with observatory and Hubble images. ... Igor's Astronomy Page - with thumbnail links to images from observatories, including the Hubble Space Telescope. ...

... Head of the Department of Emission-line Stars and Galaxies of SAI MSU . ... Structure and kinematics of galaxies . ... Strasburg Database . Hubble Telescope Archive . ... CFHT Archive . ... Chinese evolutionary synthesis Yunnan . Korean evolutionary synthesis Yonsei . Evolutionary synthesis database BaSTI . ... Electronic Journal "New Astronomy" . Electronic Astrophysical Journal . Electronic Astronomical Journal . ... Questions and comments send to Olga Sil'chenko olga@sai.msu.su ...

... Meade Instruments Corporation . ... Autostar Computer Controllers . 497 Autostar . ... One of the most important advances in telescope control in the past 25 years, the Meade #497 Autostar Computer Controller turns the ETX into an automatic celestial object locating system. ... The #497 Autostar Computer Controller plugs into the control panel of ETX-90EC, ETX-105EC, and ETX-125EC telescopes and enables automatic location of more than 30,000 celestial objects. ... about meade | ... Meade 4M | ...

... Tonight's Sky . ... DISK т?? ... Sky this Month . ... The Sky This Week: April 1 - 10 . ... The Golden Earring, planetary nebula NGC 2867, and barred spiral galaxy NGC 3109 . ... Astronomical forensics uncover planetary disks in NASAт??s Hubble archive . ... Astronomers using NASA s Hubble Space Telescope have applied a new image-processing technique to obtain near-infrared scattered-light photos of five disks observed around young stars in the Mikulski Archive for Space Telescopes database. ...

... Observatory . ... The Laboratory of Astrometry . Dept. for Physics of Stars&Galaxies . ... Astronomical Calendar . ... UkrVO . ... The purpose of research: Creating a stellar catalog to study the structure and kinematics of star systems, including open star clusters and stars with large proper motions; the enhancement ICRF / Hipparcos system to stars dawn to 17 m (V); Search of binary systems of brown dwarfs and determination of their parameters; astrometry of minor bodies of the Solar System. ...

... Seminar archive . ... 30 min. ... Липунов В. М. ( МГУ, ГАИШ МГУ ) . ... Горбовской Е. С. ( ГАИШ МГУ, от группы МАСТЕР ) . Тюрина Н. В. ( ГАИШ МГУ ) . ... Руденко В. Н. ( ГАИШ МГУ ) . ... Пустовойт В. И. Download presentation . Липунов В. М. Download presentation . ... А.В.Тутуков(ИНАСАН), Л.Р.Юнгельсон, А.М.Черепащук (ГАИШ МГУ), Н.С.Кардашев, И.Д.Новиков, В.Н.Лукаш, А.Г.Дорошкевич (АКЦ ФИАН), А.Ф.Захаров (ИТФ), Г.С.Бисноватый-Коган (ИКИ), М.Е.Прохоров, К.А.Постнов (ГАИШ МГУ) , . ...

... Advises . Contact Advises . As an advise for amateurs we would like to underline: if it's possible, try to observe 3 asteroid positions per night and do not neglect to observe the Numbered Minor Planets in your telescope field of view as a "by product" of your observational programs. ... We think such estimations ought to be produced every morning after CCD observations of the moving celestial objects by observer himself. ...

... Iowa Robotic Telescope | ... Talon is based on OCAAS, a software suite developed by software engineer Elwood Downey ( Clear Sky Institute ) for use at the University of Iowa ?s first remote facility (the ATF, or Automated Telescope Facility). ... XObservatory : Telescope Control Interface . ... This program calls upon and coordinates much of the interrelated portions of the Talon architecture, and forms the primary control panel for the telescope, dome, and peripheral systems when used locally. ...

... INTERCOSMOS 19 . ... The Intercosmos-19 satellite was designed for investigations of the topside ionosphere structure and electromagnetic processes in it. ... The instruments installed onboard Intercosmos-19 were designed and manufactured by scientists of Bulgaria, Poland, Czechoslovakia and USSR. ... The sounding data could be directly transmitted to a receiving station (direct mode) or be stored in the onboard memory device for a certain period and then sent to the Earth (recording mode). ...

JSC History . ... NASA History . ... Search . ... Contact the JSC History Collection Archivist . ... The JSC History Collection is located in the university archives in the UHCL Alfred R. Neumann Library. For more location information, a map, and information on how to use the archives, visit the JSC History Collection Web page . The JSC History collection is listed in the following two databases / search indexes. ... Information on accessing the materials in the JSC History Collection . ...

Follow-up astrometry and recoveries are made with the ANU 40 inch (1.0-m) f/8 reflector at Siding Spring Observatory (IAU code 413). ... A routine follow-up of 2003 WY153 on 2003 Dec 15 became much more than routine when a faint object with unusual motion vector was found close to the target asteroid. ... During routine astrometry with the 1.0-m to improve the orbit of the Apollo asteroid 2004 CB, the asteroid was found on March 30 to have a short tail! ... Siding Spring Survey Main Page . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Welcome to the archive of previous segments from "Brains on Vacation". ... Sep 4, 2005) . MP3 , WMA . ... Aug 7, 2005) . ... May 1, 2005) . ... April 3, 2005) . ... March 6, 2005) . ... February 7, 2005) . ... 2008 Phil Plait. ... Check out my book "Bad Astronomy" . ...

. Current news . Archive, 2011 . Archive, 2006 . Archive, 2003 . Archive, 2002 . Archive, 2001 . Archive, 2000 . Archive, 1999 .

. 2013 . 2005 . 2004 . 2003 . 2002 . 2001 . 2000 . 1998 . 1997 . 1996 . past years . Zelmanov Memorial Seminar . on . Gravitation and Cosmology . Sternberg Astronomical Instuitute . Main Page . Location . Organizers . Announcement . Archive . History . International . School Seminar . 1-5 March, 2004. ARCHIVE .

... Solar Data: f.e. X-ray . Night Sky Live . ... Heavens-Above: Sky chart, Satellites, Iridiums and astronomical objects For Moscow For SAO Baksan . ... ESO-MIDAS page . ... Tutorials for Astronomy . ... Asteroid and Comet Hazard . ... Observable Comets: This page lists links to orbital elements and ephemerides of (potentially) observable comets. ... Leonid page - a lot of information for years Comets and Meteor Showers . The American Meteor Society . ... North American Meteor Network Home Page . ...

... Russian Aviation and Space Agency and Videocosmos Co. have published an album Orbital Complex Mir 1986-2001 , devoted to the 15-year celebrations of the Space Station Mir. ... Module Priroda was docked to the Station Mir. ... Docking module for American shuttles was docked to the module Crystal. ... Module Spectr was docked to the Station Mir. ... Module Crystal was docked to the Station Mir. ... Module Kvant was docked to the mainframe (base, central. base-model block,) of the station Mir. ...