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

26
1
177
10
1
12
3
5
2
1
1
1
16
19
3
77
1
1
1
36
4
1
2
296
4
1
6
2
6
1
1
1
3
1
239
2
107
38
10
10
1
5
4
45
28
6
4
3
545
1
1
1
11
197
2
6
2
3
3
Io
3
13
7
10
33
1
1
16
4
3
2
1
160
1

Blog Posts

Newsletter Archive