... Observing springtime deep-sky objects with a large telescope . ... Buy and sell astronomy gear April 9 . ... Astronomy.com: Jim Forbes . ... A refracting telescope makes use of this property with a carefully made lens having curved surfaces. ... The first telescope (of any type) was constructed by the Dutch spectacle maker Hans Lippershey (1570 1619) who, on October 2, 1608, filed a patent application for "an instrument for seeing faraway things as though nearby." ... Buying your first telescope . ...

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . The official Project Galileo World-Wide Web Site. Galileo is a spacecraft studying Jupiter's atmosphere, moons, and magnetic environment. ... Listed Since July 15, 1998 . ... Web Site . http://www2.jpl.nasa.gov/galileo/ . ... Web . www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... By the time Isaac Newton entered college, the scientific revolution of the 17th century was well underway. ... Men like Copernicus, Kepler, Galileo, and Descartes had all helped develop a new view of nature. ... Plato is my friend, Aristotle is my friend, but my best friend is truth." ... Isaac Newton was born on Christmas Day, 1642, the same year Galileo died. ... He was one of the most creative geniuses the world has ever seen and to many people the greatest scientist who ever lived. ...

... The usage of catalogs is extremely important for efficiently observing with up-to-date instrumentation. In the work described in this paper, GSC sources are cross-correlated with entries in the PPM catalog, and used as an input to the control software of the Galileo Telescope (TNG). ... Maintaining the catalog on-line requires either two dedicated CD-ROM drives (or a jukebox), or over 1GB of hard disk space. ... We have created a compressed version of the GSC, called ZGSC (Smirnov & Malkov 1997a). ...

Recent Changes - Search : . ... PmWiki . ... Basic Editing . ... PmWiki FAQ . ... pmwiki.org . ... edit SideBar . ... Go to new wiki . History . Print . LBAMay2006 / . ... Das profile av16_2_n.pro . Repatch DAS inpputs (DAS A1->A1 B1->B1) . Plugin S2 to DAS, VSIC to S2 via BG2 . ... Edit - History - Print - Recent Changes - Search . ...

... Barbara Hubal . Mike Unsold . ... Workshops . ... Ken Hubal . ... He's also built a number of specialized solar astronomical instruments and regularly submits data to the American Association of Variable Star Observers, Solar Section.. ... The Hidden Hollow weekend Star Party at Warren Rupp Observatory will be back again this year the weekend of May 2nd - 4th! Hidden Hollow 2008 . ... Make-and-Take Solar Filter This year we plan on having another "make-and-take" solar filter workshop! ...

... Abstract Convert a spacecraft clock format string to number of "ticks". ... Detailed_Input sc is the NAIF ID number for the spacecraft whose clock string is being converted. clkstr is a character string representing a spacecraft clock time, WITHOUT PARTITION NUMBER. ... scencd_c converts a clock string to the number of ticks it represents since the beginning of the mission, and so uses partition information. sctiks_c just converts to absolute ticks. ... The SCLK string includes a partition number. ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . des actualit†йs . des reportages . ... les plus belles images de l'Univers d†йcrypt†йes pour vous . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Une sonde am†йricaine explorera Jupiter en 2016 . ... 04/04/2016 - Une Terre en formation autour d'une †йtoile proche€а? . ...

... Astrophysics Group . ... MRAO Telescopes . COAST . COAST A Gentle Introduction . ... The limitations of current technology mean that the largest optical telescopes produced today have collecting mirrors up to 10m in diameter. ... The larger the mirror, the further apart these parts can be, and the sharper the resulting image. One of the most amazing developments in optics this century was the realization that not all the pieces of the telescope mirror need be present at the same time! ...

... Православный календарь . ... Вечный календарь v2.5 Программа, позволяющая получать данные о любом дне григорианского или юлианского календаря в период с 100 по 3000 год н. э. В удобной форме предоставляется информация о православном и народном календарях, гражданских праздниках, астрономических данных о Луне и Солнце и др.. ... Православный календарь на год. ... Смотрите также: История календаря. ... История календаря. ... История календаря и хронология. ... Календарь и хронология майя. ...