Astronomy (CTP1)

Astronomy is an advance in Civilization: Call to Power.
==Summary==
Astronomy, the second Physical Science Advance, begins man's transition from mystical faith to observed wisdom. With such Wonders as Stonehenge, priests hone their understanding of astronomy and the seasons, and thus increasing their followers' crop yields.
== Great Library entry ==
Stemming from man's early interest in the stars, humanity developed systematic descriptions for the change of the seasons, days, and time itself. While these early astronomers lacked the accuracy of the telescope or clock, they successfully created calendars and approximated the motion of the celestial bodies.