Six tiny gears, a few fancy pins, and some clever casting are what it takes to build this tiny orrery. And patience — a lot of patience, too. As model solar systems go, this one is exceptionally small ...
An orrery is a model that can simulate the relative positions and orbits of planets by arranging planets with a rotating mechanism around the sun. Its origins date back to the BC era, and the official ...
Orrery, tellurium or planetary model, c. 1712, made for Charles Boyle, the fourth Earl of Orrery by John Rowley, Fleet Street, London. Orrery, tellurium or planetary model, c. 1712, made for Charles ...