Guessing your age might be a popular carnival game, but for astronomers it’s a real challenge to determine the ages of stars. Once a star like our Sun has settled into steady nuclear fusion, or the mature phase of its life, it changes little for billions of years. One exception to that rule is the […]
Category:
Nancy Grace Roman Space Telescope, Galaxies, Stars, & Black Holes, Goddard Space Flight Center, Heliophysics, Missions, Science & Research, Solar Dynamics Observatory (SDO), Stars, Sunspots, TESS (Transiting Exoplanet Survey Satellite), The Solar System, The Sun, The Universe
Posted on
April 4, 2024
Sign up for our newsletter:
Categories
105
1
2
1
198
93
2
104
4
1
137
10
21
1
1
4
6
110
13
3
10
1
18
163
2
44
1
21
3
55
2
1
33
6
2
2
11
395
6
5
62
33
1
29
13
108
4
26
10
38
1
2
14
25
18
17
4
3
110
3
180
48
4
1
14
13
3
1
1
3
15
2
12
13
12
1
5
35
5
1
360
2
8
373
18
5
1
1
6
6
1
1
11
1
155
2
1
270
10
57
10
33
2
2
10
124
10
1
1
149
10
5
3
41
226
2
1
8
14
1
10
14
1
30
2
20
45
2
1
4
639
1
1
10
3
2
37
14
1
214
1
2
17
1
29
2
296
42
1
1
1
26
7
3
10
377
47
134
1
33
6
18
1
16
3
7
44
1
203
1
5
6
10
17
1
51
39
10
17
353
1
1
68
2
1
3
1
Blog Posts
NASA’s SkyFall Helicopters at Work (Artist’s Concept)
August 6, 2026
Antenna Testing for NASA’s SkyFall Mission
August 6, 2026
Newsletter Archive
- ‹ previous
- 3 of 3