Photo: Astronaut Ron Garan Works With SPHERES on The International Space Station

NASA astronaut Ron Garan, Expedition 28 flight engineer, performs a check on Synchronized Position Hold, Engage, Reorient, Experimental Satellites (SPHERES) floating freely in the Kibo laboratory of the International Space Station. ISS028-E-025573 (16 Aug. 2011) — high res (1.6 M) low res (118 K)

NASA astronaut Ron Garan, Expedition 28 flight engineer, performs a check on Synchronized Position Hold, Engage, Reorient, Experimental Satellites (SPHERES) floating freely in the Kibo laboratory of the International Space Station. ISS028-E-025573 (16 Aug. 2011) — high res (1.6 M) low res (118 K)