The night sky has always played a crucial role in navigation, from early ocean crossings to modern GPS. Besides stars, the United States Navy uses quasars as beacons. Quasars are distant galaxies with supermassive black holes, surrounded by brilliantly hot disks of swirling gas that can blast off jets of material. Following up on the groundbreaking 2020 discovery of […]
Category:
Active Galaxies, Astrophysics, Astrophysics Division, Goddard Space Flight Center, Hubble Space Telescope, Quasars
Posted on
January 13, 2025
Sign up for our newsletter:
Categories
13
135
197
37
16
1
13
23
25
10
2
1
2
1
4
2
209
24
10
331
9
18
1
18
79
6
1
1
15
1
40
2
1
3
15
2
1
13
3
1
4
9
2
8
1
12
6
1
1
11
1
2
2
29
12
323
13
157
14
3
1
18
1
11
4
6
6
1
3
47
1
41
1
100
2
1
23
1
1
6
29
8
62
1
5
1
10
5
7
16
3
296
2
2
148
1
4
42
1
2
96
281
3
29
15
1
55
4
2
1
34
1
7
8
595
1
6
6
10
10
141
3
1
10
1
90
31
1
2
1
9
231
103
146
1
5
2
3
2
37
1
322
132
42
28
2
29
1
184
14
1
4
3
2
10
24
1
359
1
1
128
102
18
1
50
1
3
12
2
4
1
19
1
1
51
Blog Posts
A Fault Line in Full Bloom
March 23, 2026
Transformational Tools and Technologies Resources
March 22, 2026