The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about 2.5 million light-years. Astronomers use Andromeda to understand the structure and evolution of our own spiral, which is much harder to do since Earth is embedded inside the Milky Way. The galaxy […]
Category:
Andromeda Galaxy, Chandra X-Ray Observatory, Galaxies, Marshall Astrophysics, Marshall Space Flight Center, The Universe
Posted on
June 26, 2025
Sign up for our newsletter:
Categories
11
1
1
1
1
13
1
2
5
3
18
5
2
3
17
9
150
1
9
4
36
5
586
1
28
1
4
3
319
2
1
347
1
6
1
287
39
1
1
6
4
1
2
42
1
25
1
222
125
30
23
1
14
2
3
32
1
99
183
6
1
10
10
2
132
8
2
29
1
49
129
10
4
2
1
1
4
2
1
131
3
22
4
1
1
28
34
1
19
1
1
4
5
1
15
5
14
5
8
2
27
2
15
1
193
145
1
15
22
97
2
2
15
1
94
79
40
24
10
3
87
2
1
1
6
10
1
52
143
51
14
17
17
1
40
12
41
2
28
10
2
10
1
203
5
10
324
11
6
1
1
1
1
3
1
274
2
316
3
6
61
1
3
1
6
2
4
3
1
Blog Posts
Milano Cortina 2026
February 5, 2026
Curiosity Blog, Sols 4788-4797: Welcome Back from Conjunction
February 5, 2026
NASA, University of Texas Expand Research and Workforce Development
February 5, 2026