NASA’s Webb Digs into Structural Origins of Disk Galaxies

Present-day disk galaxies often contain a thick, star-filled outer disk and an embedded thin disk of stars. For instance, our own Milky Way galaxy’s thick disk is approximately 3,000 light-years in height, and its thin disk is roughly 1,000 light-years thick. How and why does this dual disk structure form? By analyzing archival data from […]
Posted on June 26, 2025
Sign up for our newsletter:

Categories

46
10
8
1
3
1
233
3
1
1
1
17
2
4
1
20
3
3
6
3
2
6
4
1
3
1
362
21
281
386
5
1
7
10
38
4
6
27
1
1
14
62
1
202
17
9
1
10
1
6
Io
5
1
13
1
113
4
11
2
17
13
1
54
6
661
67
14
30
2
14
1
10
1
3
29
159
1
13
2
2
210
14
3
1
1

Blog Posts

Newsletter Archive