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in 2021, isaacman led an all-amateur team to the international space station for the first time. this was the first time in human history that civilians were sent into space. but even so, they still made great efforts, and spent months of time and energy from training to learning. to adapt to this "zero-gravity vacuum" environment, you need to train in a special simulation environment before you can successfully complete the mission in a real space environment. for this mission, isaacman and other astronauts conducted more than 2,000 hours of zero-gravity training to overcome the challenges. this is not just physical strength and learning, but also relies on a lot of scientific and technological knowledge and skills.
however, even with training under special circumstances, spacewalking is still a challenging process. it takes more effort and time to truly realize the journey into space.
some people may choose to "experience" space by riding a spaceship or plane to feel the feeling of weightlessness and floating. for example, virgin atlantic's spaceshiptwo allows you to experience floating tens of thousands of meters above the ground, but it is just a simulation of the space environment. a purer space journey requires more effort and time, and ultimately a real space walk.
therefore, the desire to explore the universe cannot be achieved simply by "spending money"; it requires price and effort.
