New observations from NASA’s Chandra X-ray Observatory and other telescopes have captured a rare cosmic event: two galaxy clusters have collided and are now poised to head back for another swipe at each other. Galaxy clusters are some of the largest structures in the Universe. Held together by gravity, they are monster-sized collections of hundreds […]
Category:
Chandra X-Ray Observatory, Galaxies, Galaxy clusters, Marshall Astrophysics, Marshall Space Flight Center, The Universe
Posted on
June 4, 2025
Sign up for our newsletter:
Categories
2
380
26
30
2
18
1
4
642
47
215
45
2
7
1
1
10
6
1
17
38
14
5
2
1
39
17
43
45
1
1
2
297
3
1
1
29
10
198
105
7
10
6
1
16
135
1
104
33
1
203
3
1
3
6
10
45
1
354
1
1
68
2
51
10
2
11
2
1
3
2
1
1
2
1
30
5
4
1
137
18
21
1
93
13
109
2
111
13
10
1
4
14
18
163
2
1
14
21
3
3
57
1
181
2
396
6
1
33
7
3
63
34
13
1
38
6
1
374
4
27
18
17
2
25
57
34
3
110
3
1
4
4
1
13
1
48
5
1
15
12
227
1
5
35
6
1
362
2
12
271
126
1
1
6
10
1
8
18
5
155
2
1
12
1
10
10
2
20
10
3
1
2
10
149
10
3
41
1
2
17
1
8
15
14
1
1
Blog Posts
APOD: 2026 August 14 – Total Solar Eclipse from Greenland
August 14, 2026
A Sunflower’s View of Totality
August 14, 2026
NASA’s 737 Reveals New Paint
August 13, 2026
