Civilization · Technologies
Astronomy
Requires Mysticism + Mathematics
The study of the heavens, enabling Copernicus' Observatory.

In the tech tree
- Requires
Mysticism
Mathematics- Leads to
Navigation
Theory of Gravity
About technologies in Civilization
Research accumulates from trade in your cities — light bulbs in the city view — and each completed advance unlocks units, buildings, governments or wonders while opening the path to further advances. The order you research in is the single biggest strategic decision of the early game.
Strategy — Beeline matters more than breadth: decide early whether you're rushing Monarchy for growth, Literacy for the Great Library, or military techs for an early war.




