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Photographer's Note

Spaceship Earth is the iconic and symbolic structure of Epcot, a theme park that is part of the Walt Disney World Resort. One of the most recognizable structures at the Walt Disney World Resort, it is not only the centerpiece and main focal point of Epcot, but also the name of the attraction housed within the 18-story geodesic sphere that takes guests on a time machine.

The structure was designed with the help of science fiction writer Ray Bradbury, who also helped write the original storyline for the attraction.

The term 'Spaceship Earth' was coined by Buckminster Fuller, who also developed the structural mathematics of the geodesic dome.

The structure is similar in texture to the United States pavilion from Expo 67 in Montreal, giving a misconception that it is a geodesic dome. By definition, a dome can only be part of a sphere. Spaceship Earth is a complete sphere, supported on legs.

Geometrically, Spaceship Earth is a pentakis dodecahedron, with each of the 60 isosceles triangle faces divided into 16 smaller equilateral triangles (with a bit of fudging to make it rounder). Each of those 960 flat panels is sub-divided into four triangles, each of which is divided into three isosceles triangles to form each point. In theory, there are 11,520 total isosceles triangles forming 3840 points. In reality, some of those triangles are partially or fully nonexistent due to supports and doors; there are actually only 11,324 of them, with 954 partial or full flat panels.

The cladding was designed so that when it rains, no water pours off the sides onto the ground. (All water is "absorbed" through one inch gaps in the facets and is collected in a gutter system - and finally channeled into the World Showcase Lagoon.)

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Additional Photos by JC Ramos (jramos) Silver Star Critiquer/Silver Workshop Editor/Gold Note Writer [C: 47 W: 26 N: 141] (507)
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