CANCEL
Missions
Badges
Crossed Kármán Line
This astronaut crossed the Kármán Line (100 km), the internationally accepted boundary of space.
Space Resident
This astronaut has spent over a month in space.
Crewmates
116
Henry W. Hartsfield Jr.
3
MISSIONS
20.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
139
Robert L. Gibson
5
MISSIONS
36
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
140
Bruce McCandless II
2
MISSIONS
13
DAYS IN SPACE
2
SPACEWALKS
0.5
DAYS SPACEWALKING
149
George D. Nelson
3
MISSIONS
17.1
DAYS IN SPACE
2
SPACEWALKS
0.4
DAYS SPACEWALKING
151
Michael L. Coats
3
MISSIONS
19.3
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
152
Richard M. Mullane
3
MISSIONS
14.8
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
154
Judith A. Resnik
2
MISSIONS
6
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
155
Charles D. Walker
3
MISSIONS
19.9
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
157
Kathryn D. Sullivan
3
MISSIONS
22.2
DAYS IN SPACE
1
SPACEWALKS
0.1
DAYS SPACEWALKING
163
Loren J. Shriver
3
MISSIONS
16.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
203
Charles F. Bolden Jr.
4
MISSIONS
28.4
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
204
Franklin R. Chang Díaz
7
MISSIONS
66.8
DAYS IN SPACE
3
SPACEWALKS
0.9
DAYS SPACEWALKING
205
Clarence W. Nelson II
1
MISSIONS
6.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
206
Robert J. Cenker
1
MISSIONS
6.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
225
Mark C. Lee
4
MISSIONS
32.9
DAYS IN SPACE
4
SPACEWALKS
1.1
DAYS SPACEWALKING
254
Gregory J. Harbaugh
4
MISSIONS
34.1
DAYS IN SPACE
3
SPACEWALKS
0.8
DAYS SPACEWALKING
281
Kenneth D. Bowersox
5
MISSIONS
211.6
DAYS IN SPACE
2
SPACEWALKS
0.6
DAYS SPACEWALKING
285
Michel Tognini
2
MISSIONS
18.7
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
326
Steven L. Smith
4
MISSIONS
40
DAYS IN SPACE
7
SPACEWALKS
2.1
DAYS SPACEWALKING
328
Joseph R. Tanner
4
MISSIONS
43.6
DAYS IN SPACE
7
SPACEWALKS
1.9
DAYS SPACEWALKING
331
Eileen M. Collins
4
MISSIONS
38.3
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
343
Catherine G. Coleman
3
MISSIONS
180.2
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
353
Scott J. Horowitz
4
MISSIONS
47.4
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
399
Jeffrey S. Ashby
3
MISSIONS
27.7
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
WIKIPEDIA EXCERPT
Steven Alan Hawley is a former NASA astronaut who flew on five U.S. Space Shuttle flights. He is professor of physics and astronomy and director of engineering physics at the University of Kansas.