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Hypersonic Facilities Complex

(1969-L-02164): This winter 1969 view, complete with a dusting of snow, illustrates how the large vacuum spheres dominate the Hypersonic Facilities Complex. They are 41, 60, and 100 feet in diameter. Spheres were used because their double-curved surfaces strongly resist buckling inward, making them the most structurally efficient shape for large vacuum vessels.

 

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Credit: NASA

Image Number: 1969-L-02164

Date: March 7, 1969

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Uploaded on April 3, 2015
Taken on March 7, 1969