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Martian Orrery

item No.22

MODEL Specifications

COMMENTS & DIMENSIONS
{in centimeters}

Martian Orrery uses a pair of eliptical gears to reproduce Kelpers Laws of equal space and time, driven by an electric motor Mars describes an eliptical orbit as it rotates around the sun showing major oppositions of the planet.

AVAILABLE EXTRAS
Gold plating of all brass work
To keep the model looking fresh no cleaning ever required

   

Southern Skies Astronomy, P.O. Box 207, Surrey Hills, 3127, Victoria, Australia.
phone: +61 3 9898 1361 fax: +61 3 9888 5662
www.orrerymaker.com

www.melbourneobservatory.com
Copyright © 2001-2008 Brian Greig and Orrery Maker, except were noted. All Rights Reserved.