Don Pettit, NASA's oldest active astronaut at 70, arrives in Houston after 7-month space mission (photo) – Space

1. Don Pettit, NASA’s oldest active astronaut at 70, arrives in Houston after 7-month space mission (photo)  Space
2. NASA’s oldest active astronaut returns to Earth on 70th birthday  Phys.org
3. An astronaut’s awe-inspiring views from life in space  CNN

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