Seasonal changes redistribute enough water around Earth to shift the planet’s center of mass back and forth by fractions of an inch relative to its geometric center. NASA scientists are on the case, tracking the oscillations because Earth’s center of mass is a crucial reference point for satellite navigation and elevation measurements. A team, led […]
Category:
Earth Science, Earth, Earth Surface & Interior, General, GRACE (Gravity Recovery And Climate Experiment), GRACE-FO (Gravity Recovery and Climate Experiment Follow-on), Jet Propulsion Laboratory, LAGEOS (LAser GEOdynamics Satellite), Oceans, Water on Earth
Posted on
September 16, 2026
Sign up for our newsletter:
Categories
3
112
29
67
36
202
107
105
4
11
14
1
54
11
6
15
208
3
41
2
35
6
46
13
4
1
6
1
8
54
18
2
1
2
11
2
2
1
3
13
1
370
3
1
30
5
10
141
47
1
3
95
13
113
4
14
11
159
151
3
1
2
2
19
3
299
100
14
3
14
1
186
3
30
2
1
7
46
1
16
10
17
1
6
1
386
1
1
3
45
14
2
58
1
34
2
3
1
3
4
1
2
45
1
2
3
1
7
278
232
6
5
1
1
136
1
133
1
10
1
12
7
10
10
1
1
22
34
361
10
21
69
1
18
10
1
3
403
11
1
3
1
2
10
4
1
1
21
38
19
9
2
2
29
6
1
1
385
26
221
1
19
1
62
657
48
13
17
1
33
7
6
1
170
17
6
17
11
112
3
1
40
4
5
27
46
1
18
1
Blog Posts
APOD: 2026 September 20 – Analemma over the Callanish Stones
September 20, 2026
APOD: 2026 September 19 – A Zodiacal Night
September 19, 2026
NASA Invites Media to Albania Artemis Accords Signing Ceremony
September 18, 2026