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
139
Robert L. Gibson
5
MISSIONS
36
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
177
Steven R. Nagel
4
MISSIONS
30.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
199
Jerry L. Ross
7
MISSIONS
58
DAYS IN SPACE
9
SPACEWALKS
2.4
DAYS SPACEWALKING
222
John E. Blaha
5
MISSIONS
161.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
225
Mark C. Lee
4
MISSIONS
32.9
DAYS IN SPACE
4
SPACEWALKS
1.1
DAYS SPACEWALKING
242
Thomas D. Akers
4
MISSIONS
33.9
DAYS IN SPACE
4
SPACEWALKS
1.2
DAYS SPACEWALKING
250
Kenneth D. Cameron
3
MISSIONS
23.4
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
251
Linda M. Godwin
4
MISSIONS
38.3
DAYS IN SPACE
2
SPACEWALKS
0.4
DAYS SPACEWALKING
260
Sidney M. Gutierrez
2
MISSIONS
20.3
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
273
William F. Readdy
3
MISSIONS
28
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
280
Kevin P. Chilton
3
MISSIONS
29.3
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
289
Curtis L. Brown Jr.
6
MISSIONS
57.7
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
290
N. Jan Davis
3
MISSIONS
28.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
291
Mae C. Jemison
1
MISSIONS
7.9
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
292
Mamoru Mohri
2
MISSIONS
19.2
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
294
Michael R. Clifford
3
MISSIONS
27.8
DAYS IN SPACE
1
SPACEWALKS
0.3
DAYS SPACEWALKING
310
Carl E. Walz
4
MISSIONS
230.5
DAYS IN SPACE
3
SPACEWALKS
0.8
DAYS SPACEWALKING
317
Thomas D. Jones
4
MISSIONS
53
DAYS IN SPACE
3
SPACEWALKS
0.8
DAYS SPACEWALKING
325
Terrence W. Wilcutt
4
MISSIONS
42
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
WIKIPEDIA EXCERPT
Jerome "Jay" Apt III, Ph.D. is an American astronaut and professor at Carnegie Mellon University. Before he became an astronaut, Apt was a physicist who worked on the Pioneer Venus 1978 space probe project, and used visible light and infrared techniques to study the planets and moons of the solar system from ground-based observatories.