This is how astronauts celebrate Christmas and other holidays in space - CNN
- This is how astronauts celebrate Christmas and other holidays in space CNN
- Astronaut Scott Kelly: How to survive a year in space BBC News
- Thoughts, Gifts, and a Challenge: An International Space Station Holiday NASA Johnson
- Astronauts on the International Space Space Station beam Christmas cheer to Earth Space.com
- New radiation vest technology protects astronauts, doctors UPI News
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