and more teeth it’s not just the gears that go into this one. You’re also going to needs the orbs themselves. We have fond (perhaps scary) memories of the first time we saw an Orrery as a part ...

mechanical contraptions that illustrate the positions of all planets and the way they move over time through complex gear systems. [Illusionmanager] continues the orrery tradition but uses a ...

Solar eclipses have fascinated observers for thousands of years. The ancient Greek philosopher Aristotle pointed to the round ...

At five metres in diameter, the Jodrell Bank orrery – a moving, model of the Solar System – is believed to be the largest of its kind in the world and includes a complex system of 52 brass gears that ...

This beautiful model of the solar system is an example of a type of instrument known as an 'orrery'. It is made of wood, brass and ivory with a paper scale which was printed and pasted on the top ...