CANCEL
Badges
Crossed Kármán Line
This astronaut crossed the Kármán Line (100 km), the internationally accepted boundary of space.
Crewmates
110
Robert L. Crippen
4
MISSIONS
23.6
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
146
Francis R. Scobee
2
MISSIONS
7
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
148
James D. van Hoften
2
MISSIONS
14.1
DAYS IN SPACE
4
SPACEWALKS
1
DAYS SPACEWALKING
149
George D. Nelson
3
MISSIONS
17.1
DAYS IN SPACE
2
SPACEWALKS
0.4
DAYS SPACEWALKING
WIKIPEDIA EXCERPT
Terry Jonathan "T.J." Hart is an American mechanical and electrical engineer, a retired United States Air Force lieutenant colonel and pilot, and former NASA astronaut.