What is the Antikythera mechanism best known for?

The Antikythera mechanism is best known for its ability to calculate the movements of celestial bodies. This ancient Greek device, dating back to around 150-100 BCE, is considered the world's earliest analog computer. It was designed to track the positions of the Sun, Moon, and possibly the five known planets at the time—Mercury, Venus, Mars, Jupiter, and Saturn—relative to Earth.

The mechanism incorporates a complex system of gears and was used to predict astronomical positions and eclipses for calendrical and astrological purposes. Its sophisticated engineering reflects advanced understanding of celestial mechanics, allowing users to foresee significant astronomical events, which was crucial for navigational and agricultural scheduling in the ancient world.

This device's primary function and its intricate design stand out as remarkable achievements in the history of science and technology, highlighting the significance of astronomical observations in ancient civilizations.