NASA’s James Webb Space Telescope has delivered a first of its kind: a crisp mid-infrared image of a system of four serpentine spirals of dust, one expanding beyond the next in precisely the same pattern. (The fourth is almost transparent, at the edges of Webb’s image.) Observations taken prior to Webb only detected one shell, […]
Posted on
November 19, 2025
Sign up for our newsletter:
Categories
221
8
149
1
3
2
1
10
2
1
32
4
10
4
32
2
29
625
20
14
43
3
1
291
1
1
42
1
1
6
17
29
10
1
212
33
1
1
1
6
1
11
2
1
25
1
3
2
1
18
10
41
196
1
65
2
134
2
370
5
1
6
10
51
44
1
15
346
1
10
1
3
1
1
107
11
17
1
103
1
134
10
1
18
89
157
39
102
4
384
20
6
3
4
6
1
1
18
2
198
1
37
59
26
25
3
11
17
2
1
6
52
6
43
5
2
23
4
2
1
2
3
24
3
3
28
18
11
1
1
10
3
1
346
108
1
4
4
12
1
14
37
15
5
149
1
1
12
1
14
6
2
4
13
10
1
2
40
6
1
8
11
3
17
54
1
32
2
1
263
1
10
1
10
1
103
171
356
121
10
10
14
13
1
2
