A new U.S. coin honoring Christa McAuliffe, NASA's first "Teacher in Space," will help continue her educational mission 35 years after she and her six astronaut crewmates were tragically lost.
A new U.S. coin honoring Christa McAuliffe, NASA's first "Teacher in Space," will help continue her educational mission 35 years after she and her six astronaut crewmates were tragically lost.
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