Mental fitness is obviously important to being an astronaut, but so it physical fitness. For example, space walks are extremely physically demanding. We train for them in a giant swimming pool and we wear this suit that weighs about 300 pounds.

The quote by Shannon Walker highlights the dual importance of mental fitness and physical fitness in the demanding profession of being an astronaut. She emphasizes that while mental strength and resilience are crucial for coping with the psychological challenges of space, physical conditioning is equally vital. This balance ensures astronauts can handle the intense physical tasks required in space missions.

Walker gives the example of spacewalks, which are extremely physically demanding. To prepare, astronauts train in a giant swimming pool that simulates the weightlessness of space, wearing a heavy space suit that can weigh around 300 pounds. This rigorous training helps build the strength and endurance needed to perform tasks safely and effectively during extravehicular activities.

The origin of the quote comes from Walker’s experience as a NASA astronaut, where she has firsthand knowledge of the preparation required for space missions. Her words provide insight into the unique challenges of space exploration and the comprehensive fitness needed to meet those challenges.

In essence, the quote underscores the critical role of both mental and physical fitness in extreme environments. It reveals that success in space requires a combination of psychological resilience and physical strength, supported by specialized training.