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TransitsBy Jean Meeus. Product Information: 8. 50" by 11. 00", 75 pages, softbound. Transits of Venus across face of the Sun rank among the rarest astronomical phenomena only 81 occur during the 6,000 year period spanning 2000 to +4000. The last transit of Venus took place over 100 years ago (1882) but 2 will occur early in the next century (2004 and 2012). Transits of Mercury are somewhat more frequent 117 occur during the 700 year period +1600 to 2300. Four

as well as the largest and most active star-forming region in the galaxy

Desk Edition presents this wonderful companion

0 or Uranometria 2000

the point is not to just look for an Arp galaxy

as well as the proper use and construction of the merit function

and 7 planets with a precision better than 0

01 arcseconds

or have been especially troublesome to catalogers

This beautiful circular jigsaw puzzle is 18 inches (46 cm) in diameter

replotted as a planisphere complete with accurately marked star brightnesses and locations of famous deep-sky objects

It quickly became the "source among sources

and the radio galaxy Cygnus A