Estados Unidos,
2009, 17x50 min
Guión:
Stuart ChaitMúsica:
David HleboReparto:
Steve Jacobs, Russell Schweickart, Peter H. Schultz, Michelle Thaller, Sean Carroll, Phil PlaitGalería (9)
Foto © National Geographic Channel
Foto © National Geographic Channel
Foto © National Geographic Channel
Foto © National Geographic Channel
Foto © National Geographic Channel
Foto © National Geographic Channel
Foto © National Geographic Channel
Foto © National Geographic Channel
Foto © National Geographic Channel