Questions for ‘Preparing for that trip to Mars’
![860_main_questions_WerkheiserBean.gif](https://www.snexplores.org/wp-content/uploads/2019/11/860_main_questions_WerkheiserBean.gif)
Niki Werkheiser and Quincy Bean, members of NASA’s 3-D printer team, examine parts produced on a prototype of the first 3-D printer to be sent to the International Space Station.
Fred Deaton/NASA
Niki Werkheiser and Quincy Bean, members of NASA’s 3-D printer team, examine parts produced on a prototype of the first 3-D printer to be sent to the International Space Station.
Fred Deaton/NASA
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