TED: A NASA astronaut's lessons on fear, confidence and preparing for spaceflight | Megan McArthur

Megan McArthur shares her experiences as an astronaut, discussing the challenges and emotions of space missions, the importance of preparation and training, and the impact of space travel on her family. She highlights the significance of learning on the job and adapting to new roles, as well as the profound perspective gained from observing Earth from space.

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