As astronaut Bruce McCandless II flew the Manned Maneuvering Unit (MMU) out of the space shuttle Challenger’s payload bay for the first time on February 7, 1984, many in the agency were fearful about the use of a self-propelled and untethered backpack in space. (Previous spacewalkers remained connected to the vehicle with tethers. This jet-pack […]
Posted on
February 3, 2024
Sign up for our newsletter:
Categories
221
8
149
1
3
2
1
10
2
1
32
4
10
4
32
2
29
625
20
14
43
3
1
291
1
1
42
1
1
6
17
29
10
1
212
33
1
1
1
6
1
11
2
1
25
1
3
2
1
18
10
41
196
1
65
2
134
2
370
5
1
6
10
51
44
1
15
346
1
10
1
3
1
1
107
11
17
1
103
1
134
10
1
18
89
157
39
102
4
384
20
6
3
4
6
1
1
18
2
198
1
37
59
26
25
3
11
17
2
1
6
52
6
43
5
2
23
4
2
1
2
3
24
3
3
28
18
11
1
1
10
3
1
346
108
1
4
4
12
1
14
37
15
5
149
1
1
12
1
14
6
2
4
13
10
1
2
40
6
1
8
11
3
17
54
1
32
2
1
263
1
10
1
10
1
103
171
356
121
10
10
14
13
1
2