This NASA graphic shows the small, spherical satellite that cosmonauts Gennady Padalka and Yuri Malenchenko will toss into space during an Aug. 20, 2012, spacewalk outside the International Space ... more 
This NASA graphic shows the small, spherical satellite that cosmonauts Gennady Padalka and Yuri Malenchenko will toss into space during an Aug. 20, 2012, spacewalk outside the International Space Station. less 
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SPACE.com | Photo By NASA
Mon, Aug 20, 2012 6:36 PM EDT