A Chinese celestial sphere of the T'ang Dynasty (681-905 A.D.). Colored engraving.
The Heavenly Stems and Earthly Branches
Introduction to Clocks, Seasons and Cycles - Though many people ignorantly equate the entire science of astrology with the ever-increasing popularity of daily horoscope columns, astrology sign/ zodiac sign personality profiling, the annual tabloid predictions, serious astrologers have conducted a lot of scientific studies that have validated astrological principles...READ MORE: http://www.horoscopeyearly.com/introduction-to-clocks-seasons-and-cycles/
Copernican Universe , 1660. With the sun at the center; Copernicus appears at lower right and Ptolemy at lower left. Copperplate engraving from Andreas Cellarius' 'Atlas Coelestis seu Harmonia Macrocosmica', published in 1660 in Amsterdam.