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

1
3
1
2
14
1
7
51
615
11
13
6
1
24
140
3
3
254
1
1
6
4
10
1
11
1
29
4
215
12
188
1
1
4
2
93
2
3
3
6
18
1
1
10
1
4
2
1
37
1
18
15
29
10
351
43
6
1
2
14
1
1
Io
4
57
10
2
3
190
1
1
9
11
2
6
5
9
2
2
1
1
336

Blog Posts

Newsletter Archive