Only someone who does not understand what the Karman Line is and is not would claim that there is "a definition for space" like kg or m. If you are now going t

Only someone who does not understand what the Karman Line is and is not would claim that there is "a definition for space" like kg or m. If you are now going to resort to "the FAI's definition", by the FAI's standards Yuri Gagarin did not fly the first orbital flight because he ejected from Soyuz I near the end, something the USSR kept secret so it could claim the achievement.