It will be the Earth vs. space in a unique chess match, and you can help Earth win.
http://www.nasa.gov/mission_pages/station/expeditions/expedition17/chess_earthvsspace.html
It will be the Earth vs. space in a unique chess match, and you can help Earth win.
http://www.nasa.gov/mission_pages/station/expeditions/expedition17/chess_earthvsspace.html