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SPHERES Project | by NASA Johnson
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iss046e021207 (1/25/16) --- Here are two of the three free flying satellites on board the International Space Station involved in the SPHERES project. This program tests a diverse range of hardware and software from scientist all over America. SPHERES has been active for seven years and continues to be one of the most popular NASA projects and a favorite of many astronauts who are fortunate enough to work with the SPHERES project.

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Taken on January 25, 2016