Nasa : Coulisses et Histoires secrètes (2/6)

partie 1
http://www.dailymotion.com/Kadharma/video/x8aa2f_nasa-coulisses-et-histoires-secrete_tech

partie 2
http://www.dailymotion.com/Kadharma/video/x8aacn_nasa-coulisses-et-histoires-secrete_tech

partie 3
http://www.dailymotion.com/Kadharma/video/x8ap49_nasa-coulisses-et-histoires-secrete_tech

partie 4
http://www.dailymotion.com/Kadharma/video/x8apfv_nasa-coulisses-et-histoires-secrete_tech

partie 5
http://www.dailymotion.com/Kadharma/video/x8b53h_nasa-coulisses-et-histoires-secrete_tech

partie 6
http://www.dailymotion.com/Kadharma/video/x8b578_nasa-coulisses-et-histoires-secrete_tech