Introduction Launched into the night sky more than 26 years ago, on Dec. 19, 1999, from Vandenberg Air Force Base (now Space Force Base), Terra was NASA’s first Earth Observing System (EOS) flagship mission to study Earth’s land surface from space via a coordinated series of polar-orbiting and low-inclination satellites that produce long-term global observations […]
Category:
Earth Science
Posted on
December 30, 2025
Sign up for our newsletter:
Categories
18
163
2
1
29
1
5
3
55
1
13
108
13
21
395
6
1
33
6
14
62
33
3
1
180
4
26
14
38
17
2
3
25
2
18
3
13
4
3
110
6
1
373
48
4
1
1
13
1
15
1
360
2
12
1
271
12
57
34
1
5
35
5
1
8
18
5
124
1
6
2
1
11
1
155
5
10
226
10
2
10
1
2
10
10
1
3
41
1
149
10
20
2
1
8
14
1
14
3
30
2
4
640
214
45
2
17
1
1
2
1
1
10
377
37
14
26
1
47
2
18
1
1
7
2
296
42
44
1
17
5
7
6
3
1
29
10
16
39
134
1
17
33
6
1
1
3
1
203
198
1
105
10
1
51
10
104
353
1
10
1
68
2
1
3
6
1
3
44
1
2
93
2
4
1
137
21
1
10
2
1
4
2
110
13
2
11
Blog Posts
APOD: 2026 August 10 – Three Galaxy Pairs
August 10, 2026
APOD: 2026 August 8 – A Messier Moment for Tempel 2
August 8, 2026
2026 IGARSS Hyperwall Schedule
August 7, 2026