An Intertwined History: The Earth Observer and EOS The Earth Observer, a newsletter issued for nearly 37 years, will release its last online content at the close of 2025. This newsletter evolved in parallel with NASA’s Earth Observing System (EOS). It is almost impossible to speak of this newsletter without mentioning EOS. As The Earth Observer prepares […]
Category:
Earth Science
Posted on
December 30, 2025
Sign up for our newsletter:
Categories
25
2
1
4
1
18
52
10
41
2
196
23
6
10
2
14
368
6
5
1
51
44
3
15
1
18
3
42
3
24
1
17
1
103
4
6
1
134
10
12
11
18
33
89
39
37
1
101
1
384
5
1
4
5
15
4
18
2
198
1
65
2
6
37
8
16
1
25
1
1
3
11
2
17
2
6
6
10
103
43
5
10
1
1
2
11
149
1
2
3
106
2
157
25
3
32
3
28
11
3
1
3
107
4
14
29
1
43
58
5
1
1
12
1
14
6
13
1
1
10
3
2
2
40
11
10
54
1
1
31
4
10
1
262
121
1
1
171
354
2
2
1
10
1
221
344
7
134
10
1
1
10
10
1
4
1
32
148
345
2
624
20
1
3
1
14
291
1
1
1
1
4
1
20
17
29
1
2
1
212
13
1
1
1
Blog Posts
Millions of Stars in Cigar Galaxy
June 25, 2026
A Turquoise Tint for the Black Sea
June 25, 2026