A quarter of a century ago, NASA released the “first light” images from the agency’s Chandra X-ray Observatory. This introduction to the world of Chandra’s high-resolution X-ray imaging capabilities included an unprecedented view of Cassiopeia A, the remains of an exploded star located about 11,000 light-years from Earth. Over the years, Chandra’s views of Cassiopeia […]
Posted on
September 3, 2024
Sign up for our newsletter:
Categories
6
61
1
40
1
3
2
28
4
1
2
1
5
10
13
1
2
1
3
1
2
3
274
3
3
150
1
6
4
5
3
28
1
4
11
1
1
2
1
5
18
5
287
39
1
17
10
1
2
36
1
586
2
1
14
9
1
32
1
3
6
1
1
349
10
132
320
6
1
1
10
129
2
1
1
1
6
2
1
42
22
3
1
4
1
222
125
28
30
23
1
34
25
1
1
99
183
3
19
15
6
5
14
15
2
10
6
2
1
145
8
29
49
22
2
97
2
2
15
94
4
4
3
131
1
1
52
1
14
51
6
4
1
4
12
41
1
8
10
2
27
2
10
1
193
1
203
15
11
6
324
1
1
1
1
79
40
10
87
2
1
24
2
316
10
143
17
17
1
Blog Posts
NASA Sets Coverage for Agency’s SpaceX Crew-12 Launch, Docking
February 6, 2026
Strong Solar Flare
February 6, 2026
Boreal Forests Are Shifting North
February 6, 2026