Understanding

Space Travel (1x31)

Udgivelsesdato: Jan 15, 2009

How do we get people into outer space? An astronaut describes her experiences, scientists explain rocket science, including propulsion, gravity and thrust, and engineers discuss the future of space travel. Astronauts Buzz Aldrin, Winston E. Scott, Story Musgrave, and Shannon Lucid talk about the excitement and wonder of space travel; actor/director Ron Howard explains how the crew simulated weightlessness in the film Apollo 13; science fiction authors Arthur C. Clarke and Charles Sheffield discuss the human longing to understand and explore the universe; and NASA administrator Daniel Goldin talks about the present and future of the U.S. space program.[