A planet may have been destroyed by a white dwarf at the center of a planetary nebula — the first time this has been seen. As described in our latest press release, this would explain a mysterious X-ray signal that astronomers have detected from the Helix Nebula for over 40 years. The Helix is a […]
Category:
Chandra X-Ray Observatory, Helix Nebula, Hubble Space Telescope, Marshall Astrophysics, Marshall Space Flight Center, Nebulae, Planetary Nebulae, Stars, The Universe, White Dwarfs
Posted on
March 4, 2025
Sign up for our newsletter:
Categories
12
1
2
3
29
12
323
14
3
10
13
1
18
1
11
6
6
6
1
3
48
1
41
1
4
2
1
23
100
1
29
1
62
1
5
297
1
10
5
8
16
3
42
7
2
2
148
1
1
15
2
96
4
3
34
29
281
1
55
4
10
2
6
1
7
8
595
141
1
1
6
10
3
1
3
5
2
1
90
31
1
2
37
1
9
233
10
103
146
1
2
1
322
2
132
42
14
28
2
29
24
1
184
1
4
3
102
10
1
360
1
3
1
128
51
18
1
50
1
13
12
2
4
1
19
1
2
1
10
209
37
16
1
23
25
13
135
198
2
1
1
1
332
1
4
2
24
10
9
18
1
18
79
6
15
1
40
3
13
2
1
2
3
15
2
1
1
1
4
9
1
12
6
1
157
8
Blog Posts
See NASA’s GUARDIAN Catch a Tsunami
March 23, 2026
SWOT Mission Unlocks a New View of Our Waterways
March 23, 2026
NASA’s Hubble, Webb Telescopes Survey Pinwheel Galaxy
March 23, 2026
