In this image from Dec. 8, 1993, astronaut Kathryn C. Thornton works with equipment during a spacewalk. The spacewalk was part of an 11-day mission, Servicing Mission 1, to service the Hubble Space Telescope. Shortly after Hubble was launched in 1990, NASA discovered a flaw in the observatory’s primary mirror that affected the clarity of […]
Posted on
December 11, 2023
Sign up for our newsletter:
Categories
3
64
93
26
1
2
1
4
10
6
3
1
195
1
6
17
1
1
19
4
1
1
28
16
16
16
1
2
3
2
1
11
43
75
158
4
5
1
12
36
12
8
1
2
243
237
2
21
155
3
2
37
39
1
2
6
1
10
13
13
13
5
1
1
1
296
12
1
1
23
3
55
1
23
134
6
107
130
3
10
85
1
1
3
13
1
5
1
1
3
27
1
38
129
2
45
4
30
85
23
1
1
1
1
1
2
1
13
11
22
297
1
4
2
87
16
2
8
5
2
274
6
4
46
1
1
1
3
4
1
38
1
2
3
8
3
4
1
10
177
1
7
10
3
1
141
4
110
280
33
544
12
3
11
2
28
Blog Posts
NASA Astronaut Zena Cardman
June 24, 2025