Antikythera mechanism: Ancient Greek analog computer for astronomy.

Antikythera shipwreck: Historical maritime wreck discovery site in Greece.

Antikythera artifacts: Items recovered from the shipwreck location.

Antikythera calendar dial: Component of the mechanism indicating dates and events.

Antikythera astronomical model: Representation of celestial bodies' movements and positions.

Antikythera theory: Hypothesis regarding ancient technological advancements or uses.