What altitude is internationally cited as the beginning of space, often referred to as the Kármán Line?
Answer
100 kilometers (about 62 miles)
The Kármán Line, often cited as the boundary of space and aligned with by most international agencies, sits at 100 kilometers, which is approximately 62 miles.

#Videos
What are the qualifications to be called an 'astronaut' ? - YouTube
Related Questions
What are the literal Greek roots that form the word astronaut?What altitude is internationally cited as the beginning of space, often referred to as the Kármán Line?Which space agency adopted the term 'taikonaut'?What is one argument cited for reserving the astronaut title exclusively for career professionals?What is the boundary for spaceflight recognized by NASA and the U.S. military?According to the FAA regulatory distinction, what must a person do to be considered a 'commercial astronaut' in a non-NASA vehicle?What counter-analogy do proponents of an inclusive definition use regarding pilots?What key training status does NASA acknowledge by referring to its new recruits as 'astronaut candidates'?What functional split suggests that paying visitors currently lack mission roles?What is the parallel drawn regarding the future status of the term 'astronaut' based on historical linguistic change?