книги Наука, техника, медицина Техника

List of human spaceflight programs

Код 3433444

  • ISBN: 978-5-5089-6046-9

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High Quality Content by WIKIPEDIA articles! This is a list of human spaceflight programs, including successful programs, programs that were canceled, and programs planned for the future. The criteria for what constitutes human spaceflight vary. The FAI defines spaceflight as any flight over 100 kilometres (62 mi). However, in the United States, professional, military, and commercial astronauts who travel above an altitude of 80 kilometres (50 mi) are awarded astronaut wings.

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ISBN: 978-5-5089-6046-9

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Путешествия, туризм, природа Домашние животные

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