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12/07/2012
- No Joke -- Why Even Tragedy Gets a Laugh
- 'Escape Fire' Exposes Flaws of American Healthcare
- Blue Whale Barrel Roll Caught on Camera
- Unlocking a Lake’s Bacterial Secrets, Beneath 20 Meters of Ice
- Ask an Astronaut: Don Pettit and Jeff Hoffman on Spaceflight
- Curiosity 2.0? NASA Announces New Mars Rover Plans
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Dec. 07, 2012
Ask an Astronaut: Don Pettit and Jeff Hoffman on Spaceflight
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For the latest in our “Ask an Expert” series, current NASA astronaut Donald Pettit and former astronaut Jeffrey Hoffman chat about their spaceflight experiences. From brushing your teeth to weightless dreams, the astronauts discuss the many curiosities of living in space.
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Produced by Denise Chow, Associate Producer
Guests
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Don Pettit
NASA Astronaut
NASA's Johnson Space Center
Houston, Texas -
Jeffrey A. Hoffman
Former NASA Astronaut
Professor, Practice of Aerospace Engineering
Department of Aeronautics and Astronautics
Massachusetts Institute of Technology
Cambridge, Massachusetts
FEATURED READING
Brilliant Blunders
by Mario Livio
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