Hadfield: Space flight "better than you dreamed it would be"

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Hadfield: Space flight "better than you dreamed it would be"
Astronaut and author of "An Astronaut's Guide to Life on Earth," Col. Chris Hadfield discusses launching into space, as well as walking and flying in zero gravity. Hadfield also weighed in on the movie "Gravity" and a discrepancy he found with Sandra Bullock's costume.
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