3/8/2023 0 Comments Orrery program for mac![]() One of the most beautiful orreries out there has got to be this little apparatus designed and built by Ken Condal. Some are as large as dinning room tables, others the size of a bowl. Most focus on the inner solar system, only including the planets out to Saturn and just the moon of Earth. Some include many of the moons that orbit Mars, Jupiter, and Saturn, and others have celestial bodies as far away as Pluto orbiting the sun in the center. It shows you the relative positions of the planets in the solar system during a given year and month. And like a globe, an orrery also serves a practical function. First, the craftsmanship required to build these remarkable mechanical models is of the highest order. Few things are as captivating as an orrery.
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