The OrreryA STUDY IN CELESTIAL MECHANICS
INSTRUMENT No. 001   /   THE EARTH–MOON SYSTEM
The mechanical cosmos

Heavens,
in miniature.

A world of turning silver. Explore the instrument that gives the motion of the heavens form.

SILVER METAL · WALNUT · ENAMEL
INTERACTIVE MUSEUM STUDY
SunEarthMoon
↔ DRAG TO ROTATE · SCROLL TO ZOOM · CLICK A PART TO INSPECTONE FINGER TO ROTATE · PINCH TO ZOOM · TAP TO INSPECT
ZOOM
Day 001 / 365
4×
Demonstration proportions: planet sizes and orbital distances are not to scale. Illustrative mechanical connections.