A massive, spacetime-warping cluster of galaxies is the setting of today’s NASA/ESA Hubble Space Telescope image. The galaxy cluster in question is Abell 209, located 2.8 billion light-years away in the constellation Cetus (the Whale). This Hubble image of Abell 209 shows more than a hundred galaxies, but there’s more to this cluster than even […]
Category:
Astrophysics, Astrophysics Division, Galaxies, Galaxy clusters, Goddard Space Flight Center, Gravitational Lensing, Hubble Space Telescope
Posted on
July 11, 2025
Sign up for our newsletter:
Categories
6
1
24
3
69
1
62
12
17
1
33
19
9
10
7
10
5
34
1
12
2
19
4
3
27
387
26
11
18
1
19
48
222
113
55
11
4
1
1
14
7
1
15
17
6
6
41
1
41
17
37
6
663
13
19
1
1
6
3
46
8
1
202
107
29
13
1
2
1
3
108
170
11
3
10
112
1
6
1
3
1
46
13
152
3
1
67
37
2
11
300
2
211
2
1
30
1
30
5
2
4
46
13
114
1
95
55
57
1
1
10
14
1
3
159
20
45
1
3
13
141
188
1
2
2
102
372
3
14
2
2
3
14
1
4
3
1
18
3
1
1
6
389
1
136
1
1
7
35
3
10
1
3
1
59
1
14
1
10
363
21
2
1
1
8
46
18
409
11
2
5
1
2
281
1
3
235
1
29
10
4
2
1
21
38
6
1
133
4
2
Blog Posts
Help Overlap Zoo Reveal Cosmic Dust
October 1, 2026
NASA Adds New Science Investigations for Moon Base
October 1, 2026