A new study of two supernova remnants, the debris left behind after stars explode, suggests the explosions came from stellar siblings that once orbited each other. The first star’s detonation sent its binary companion hurtling through space, and then, after traveling for thousands of years, the surviving star blew up too.
Category:
Astrophysics, Cosmic Rays, Fermi Gamma-Ray Space Telescope, Gamma Rays, Goddard Space Flight Center, Infrared Light, Nebulae, Neil Gehrels Swift Observatory, Stars, Supernova Remnants, Supernovae, The Universe, Ultraviolet Light, X-ray Astronomy
Posted on
June 17, 2026
Sign up for our newsletter:
Categories
5
112
67
36
1
30
95
13
113
4
14
141
1
47
54
11
15
4
14
41
2
35
6
13
19
3
4
186
1
100
6
1
14
8
3
18
1
7
3
2
1
2
13
16
1
370
3
386
10
1
1
3
6
11
159
151
3
1
1
2
2
58
34
3
3
299
1
14
1
30
1
7
46
278
1
232
5
1
10
17
133
1
1
10
1
1
12
3
45
14
2
22
1
10
2
1
4
2
45
2
3
3
1
10
6
1
19
9
136
1
1
1
7
26
10
10
1
1
385
657
34
48
361
221
21
69
1
18
19
10
1
7
403
11
1
3
6
1
2
6
1
17
40
4
1
1
17
21
38
2
2
29
46
6
1
1
107
3
29
202
1
105
1
11
62
6
13
17
208
1
3
33
170
46
54
11
112
3
1
4
5
2
27
3
2
18
1
2
11
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
