Tracking Planet Positions And Conjunctions

Until the invention of the telescope in 1610, astronomy was mostly the study of the sky positions of the Sun, Moon, and ... (more)

Until the invention of the telescope in 1610, astronomy was mostly the study of the sky positions of the Sun, Moon, and planets. Learn the extraordinary precision attained by ancient astronomers in their observations. Discover why they prized this knowledge, and also uncover a lost great discovery of the Babylonians. (less)