High above Earth’s poles, intense electrical currents called electrojets flow through the upper atmosphere when auroras glow in the sky. These auroral electrojets push about a million amps of electrical charge around the poles every second. They can create some of the largest magnetic disturbances on the ground, and rapid changes in the currents can […]
Category:
Auroras, EZIE (Electrojet Zeeman Imaging Explorer), Goddard Space Flight Center, Heliophysics, Missions, Small Satellite Missions, The Sun
Posted on
February 25, 2025
Sign up for our newsletter:
Categories
15
17
1
12
10
37
6
22
18
1
1
6
3
8
3
5
1
10
13
2
1
19
9
170
10
112
1
1
3
1
11
386
13
152
41
3
26
1
48
19
661
67
36
13
222
7
1
17
30
1
6
6
2
4
46
41
1
17
1
1
46
1
1
202
3
29
159
107
1
13
2
2
11
371
3
105
2
210
6
14
1
3
299
46
3
1
1
1
54
136
10
2
2
1
3
2
11
1
30
10
45
1
5
14
1
141
362
13
114
1
2
95
1
53
1
46
14
18
2
4
1
20
3
3
4
187
2
21
3
6
1
14
4
1
2
101
3
7
1
2
1
17
388
21
6
69
1
62
1
10
407
11
1
33
7
2
35
3
3
58
10
1
34
1
11
38
2
18
29
4
3
27
6
18
1
8
5
1
113
233
281
133
4
1
1
10
14
1
1
55
Blog Posts
APOD: 2026 September 26 – Mirrored Meteor and Milky Way
September 26, 2026
NASA, Boeing to Provide Update on Starliner Development
September 26, 2026
NASA Welcomes San Marino Signing the Artemis Accords
September 25, 2026