Paragraph 2
There is a point of
regarding the recent record. That is over the
of where outer space starts. NASA and the U.S.
regard the boundary separating Earth's
and outer space as being 80 km above sea level. With this
, the record for humans in space is 20, set in May 2023 and tied in January of this year. However, the
definition of the edge of space is called the Karman Line. The International Aeronautical Federation puts this
at an altitude of 100 km above sea level. The
record uses this definition. The Karman Line is used for
purposes to differentiate between what constitutes an aircraft and a
.