Supposedly my Zodiac identity, and likely not yours, the model sits 20.7 miles from the sun model at the bigging of the display. Here its diameter is 22 inches.

The reason for the angled arm that lifts the planet is to present the axis with its extreme tilt, pointing its North Pole permanently toward the sun.
And we think a midnight sun at the height of summer’s a big deal? How about the endless darkness at the South Pole?
When you stop to think about it, the labor and care supporting this solar system presentation is astonishing. Just whose flash of inspiration came up with the calculations of our central star and its orbiting bodies, starting by placing Earth a mile from the sun?
And then came all the craftsmanship not just with the heavenly bodies but also the concrete bases and metal arms plus landscaping and the willingness of landowners to make room for the displays on their properties and tourists poking around. In all, 700 volunteers were involved one way or another.
For a large county with a small population, it was a truly astronomical undertaking. And there’s more …