Adding Dimension to Cassiopeia A

Using NASA’s James Webb Space Telescope, astronomers uncovered a mysterious feature within the remnant, nicknamed the “Green Monster,” alongside a puzzling network of ejecta filaments forming a web of oxygen-rich material. When combined with X-rays from NASA’s Chandra X-ray Observatory, the data helped astronomers shed light on the origin of the Green Monster and revealed […]
Category:
Posted on May 1, 2025
Sign up for our newsletter:

Categories

203
11
6
1
1
1
3
1
1
3
1
6
3
11
1
1
1
2
2
18
5
1
586
28
9
4
36
5
3
4
1
319
2
287
6
6
1
1
1
42
2
1
222
3
183
10
2
132
6
1
129
8
29
1
4
22
4
2
1
1
Io
4
1
4
5
14
5
2
1
40
2
1
10
3
87
52
17
1
12
10
10

Blog Posts

Newsletter Archive