David SmithDuke University The increasing population of spacefaring vehicles and satellites motivates increasingly powerful technologies for space situational awareness (SSA). While the US space surveillance network (SSN) is able to monitor objects down to about four inches in size using, for example, the latest upgrade to the space fence, the associated requirements limit implementation to ground-based […]
Category:
NASA Innovative Advanced Concepts (NIAC) Program, NIAC Studies, Research and Technology Mission Directorate
Posted on
July 21, 2026
Sign up for our newsletter:
Categories
112
67
36
4
14
1
54
7
11
15
278
232
41
2
5
133
35
6
657
1
13
4
10
1
6
1
8
18
1
22
1
2
1
13
1
370
3
3
10
1
1
3
11
159
151
29
3
1
19
9
1
2
2
299
26
208
14
1
385
30
48
221
1
19
46
7
1
54
10
6
17
6
1
3
1
1
17
40
17
3
45
14
2
141
1
2
1
46
95
4
45
107
2
3
4
2
202
3
1
105
19
3
11
6
6
1
136
3
1
46
1
7
7
10
10
1
1
34
2
361
2
21
69
1
18
2
11
10
1
1
30
5
403
11
1
3
1
13
113
2
3
47
4
1
1
1
21
14
38
2
2
29
6
1
186
100
1
14
3
1
3
1
62
2
16
13
17
1
33
12
10
386
170
1
6
11
112
3
1
4
5
27
1
10
18
58
1
34
3
Blog Posts
APOD: 2026 September 20 – Analemma over the Callanish Stones
September 20, 2026
APOD: 2026 September 19 – A Zodiacal Night
September 19, 2026
NASA Invites Media to Albania Artemis Accords Signing Ceremony
September 18, 2026