by Kat Troche of the Astronomical Society of the Pacific September 2025 marks ten years since the first direct detection of gravitational waves as predicted by Albert Einstein’s 1916 theory of General Relativity. These invisible ripples in space were first directly detected by the Laser Interferometer Gravitational-Wave Observatory (LIGO). Traveling at the speed of light […]
Category:
Night Sky Network
Posted on
October 1, 2025
Sign up for our newsletter:
Categories
1
193
145
1
15
22
97
2
2
15
1
94
79
40
3
87
2
1
1
24
10
10
1
52
143
51
14
17
17
6
1
40
12
41
28
10
2
10
2
1
203
324
11
6
1
1
1
5
10
1
3
2
316
3
1
274
6
61
1
3
1
6
2
4
3
1
11
1
1
1
13
1
2
1
3
18
5
2
5
3
17
9
150
1
4
36
5
586
1
28
9
1
4
3
2
1
347
1
319
6
1
287
1
1
6
39
1
2
42
1
4
1
222
125
30
23
1
14
2
25
1
99
183
3
32
6
1
10
10
2
132
8
2
29
1
49
129
10
2
1
1
4
2
1
131
3
22
4
1
1
28
34
1
4
19
1
1
4
15
5
14
5
8
2
27
2
15
5
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