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
1
5
1
1
12
43
42
14
6
1
3
13
1
1
10
3
2
40
11
10
1
54
1
6
31
1
11
1
262
33
121
1
1
1
171
353
2
2
10
1
221
65
2
7
134
1
10
1
10
10
4
1
32
345
1
1
624
20
106
11
3
1
1
291
1
157
1
25
4
20
17
3
29
1
1
212
1
1
1
58
25
1
18
1
52
10
41
195
2
23
6
2
1
368
5
4
10
1
51
44
3
15
18
1
3
24
1
1
344
17
1
103
4
134
10
12
18
1
88
39
37
101
148
384
5
1
4
5
15
2
4
18
2
198
1
14
6
37
1
8
16
25
1
3
11
2
17
2
1
6
6
1
2
10
1
103
43
5
10
13
1
2
149
2
3
2
2
1
3
32
3
4
28
11
1
3
2
107
4
10
14
6
14
29