The Imaginative Sculpture, much larger than the scale planet, is designed to capture attention from afar, and convey some aspects of the planet Neptune. It consists of a 36-inch diameter sphere of milled Blue Pearl Granite, inset with stainless steel arrows.
The Planet Scale Model is part of a unique planet orbital disk depicting the equatorial plane and the scale model planet on the angle of its polar axis. The base supporting the Planet Scale Model is a pre-cast, uniquely finished concrete pedestal, with informational insets and a title plaque in stainless steel, copper or brass, with etched enamel infill.
Both the Planet Scale Model and the Imaginative Sculpture are on concrete footings connected by a concrete arc with brass inset directional arrows and planet name. Ten "Great Question" plaques surround this site, and all the other sites, set at ground level.
The detail at right shows the scale planet Neptune model on a metal surface angled about 29 degrees from level to represent the planet's natural equatorial tilt. The planet is represented by a 1.175-inch sphere, the correct size in scale with the 3-foot diameter Sun about 9700 feet away. This rests atop a concrete pedestal with information and name plaques. Also present on the pedestal is a unique souvenir rub-transfer icon which may be used in school projects and promotional activities to provide evidence of visit.
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