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RE: Meeting European Astronaut Paolo Nespoli at the ESA Headquarters today
I think it's truly amazing that some people indeed out their lives and health at stake for the sake of knowledge and understanding. Barely anyone on this planet would do it, so we should be really thankful to people like Nespoli. It's because of people like him we can understand and learn about specific things that we might not have learnt about otherwise...
You're absolutely right. To learn new things we have to go to new places. Only then can we challenge the "known" and explore the unknown.