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 "Joyfully to the breeze royal Odysseus spread his sail, and with his rudder skillfully he steered."
– Homer

Game Info[]

With the Astronomy technology you've opened the seas of the world. Your new ship type, the Caravel, can travel in coastal waters and deep ocean without trouble. They're also one of the fastest ships in the water, even in future eras.

Embarked units gain the ability to enter deep ocean now that you understand Astronomy. All land units travel faster on the water than they did before, though they're still vulnerable to attack. Escort your units carefully!

Observatories are Science Science-producing buildings that can only be built when a city is founded next to a mountain. Observatories are slightly more efficient than Universities, and what's more - they add a science bonus in an era when there is none! Use this to turn a city in a research center and boost your Science Science output while your rivals still struggle. 

Civilopedia entry[]

Astronomy is the study of objects in space - from space dust to asteroids to moons, planets, stars, and galaxies - as well as other more esoteric objects like black holes and wormholes. Astronomy is the oldest of the natural sciences, with its roots in the religious and astrological practices of pre-history.

Much of early astronomy is related to religion. Stars and other celestial objects were associated with gods, and it was believed that they had direct control over man and his physical universe. A certain star or cluster of stars might appear each year around harvest time, and eventually ancient man might decide that the star is the home of the god governing the harvest. Perhaps if one sacrifices a goat on the day that the star first appears, that god would bless the upcoming harvest. This kind of thinking lies at the root of ancient astronomical studies as well as ancient calendar-making, with which astronomy has been historically allayed.

During the Renaissance astronomy shed much of its religious, astronomical trappings, becoming a pure science in its own right. In 1543 Nicolai Copernicus published "De Revolutionibus Orbium Coelestium," which postulated that the sun was at the center of the universe, not the earth, and that the planets orbited the sun, and the moon orbited the earth. In addition to the triumph of scientific research over dogma, Copernicus' book also argued that the use of mathematics would greatly help mankind to understand the world around him. Although this work was deeply controversial in his day, today Copernicus is acknowledged as one of the great scientists of history, and one of the fathers of the Scientific Revolution.

Civilization V Technologies [edit]
Ancient Agriculture Animal Husbandry Archery Bronze Working Calendar Masonry Mining Pottery Sailing The Wheel Trapping Writing
Classical Construction Currency Drama and Poetry GodsKings5 clear.png Engineering Horseback Riding Iron Working Mathematics Optics Philosophy
Medieval Chivalry Civil Service Compass Education Guilds GodsKings5 clear.png Machinery Metal Casting Physics Steel Theology
Renaissance Acoustics Architecture GodsKings5 clear.png Astronomy Banking Chemistry Economics Gunpowder Metallurgy Navigation Printing Press
Industrial Archaeology Biology Dynamite Electricity Fertilizer Industrialization GodsKings5 clear.png Military Science Rifling Scientific Theory Steam Power Telegraph1
Modern Ballistics GodsKings5 clear.png Combustion Electronics Flight Mass Media1 Plastics Radio Railroad Refrigeration Replaceable Parts
Atomic2 Atomic Theory Combined Arms GodsKings5 clear.png Computers Ecology Nuclear Fission Penicillin Radar Rocketry
Information2 Advanced Ballistics Future Tech Globalization Lasers Mobile Tactics GodsKings5 clear.png Nanotechnology Nuclear Fusion Particle Physics Robotics Satellites Stealth Telecommunications GodsKings5 clear.png The Internet BNW-only.png
1Vanilla only 2Atomic and Information eras are Future Era in Vanilla
GodsKings5 clear.png Valid only in the Gods & Kings expansion pack.
BNW-only.png Valid only in the Brave New World expansion pack.