Gap Fill - Space - Level 5

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   altitude      atmosphere      conventional      definition      level      Line      measure      military      point      spacecraft   

Paragraph 2

There is a of contention over the record. NASA and the U.S. regard the boundary between Earth's and outer space as being 80 km above sea level. With this , the record for humans in space was set at 20 in May 2023. However, the definition of the edge of space is called the Karman Line. The International Aeronautical Federation puts this at an of 100 km above sea . The new record uses this . The Karman is used to differentiate between what constitutes an aircraft and a .

Try the Space - Level 6 gap fill.

Back to the astronaut, cosmonaut, taikonaut lesson.

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