FileProfile Quick Pick: Acrony Our Most Popular Download and the Editor's Top Pick is a multi-player word game named Acrony. It's easy to install, quick to learn and extremely addictive. Try it!

orrery

Keyword Profile: orrery - orrery is a keyword for the software application Coeli - Stella 2000.   Back to the Coeli - Stella 2000 Download Page Coeli - Stella 2000: Integrated talking astronomy software suite with encyclopedic reference Education: Science   Possible Definitions: 1. Orrery (n.) An apparatus which illustrates, by the revolution of balls moved by wheelwork, the relative size, periodic motions, positions, orbits, etc., of bodies in the solar system.