Stock Photo - NASA astronaut Don Pettit, Expedition 31 flight engineer, took this picture of a four-inch polished metal sphere in the International Space Station's Destiny laboratory on May 12, 2012 using a 28mm lens. A close look of the sphere reveals a mirrored Pettit.

Stock Photo: NASA astronaut Don Pettit, Expedition 31 flight engineer, took this picture of a four-inch polished metal sphere in the International Space Station's Destiny.

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