About

It’s a science exhibit on a grand scale, a tourism destination, and a fun, family-friendly adventure. The MSS Model is the largest 3-D scale model of the solar system in the western hemisphere and the second largest such model in the world. Established by the University of Maine at Presque Isle and the northern Maine community, this model extends for nearly 100 miles along U.S. Route 1, from the Sun at UMPI to the dwarf planet Eris in Topsfield.

The model has a scale of 1:93 million, which makes one mile equal to the distance from the Earth to the Sun, an “astronomical unit”.