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
62
33
1
29
5
1
13
108
4
26
10
38
18
17
2
14
25
110
3
4
3
3
1
180
48
4
1
14
13
2
1
3
15
35
5
1
360
2
12
13
12
1
5
6
1
8
373
18
5
1
1
6
2
1
11
1
155
1
270
10
57
10
33
2
1
2
10
124
10
10
5
3
41
1
149
226
2
1
8
10
14
1
14
1
2
30
1
4
639
20
45
2
2
1
1
10
3
1
37
14
17
1
29
214
1
2
1
1
2
296
42
1
10
377
26
7
3
6
18
1
16
47
134
1
33
1
3
7
44
1
203
17
1
5
6
10
68
2
51
39
10
17
353
1
1
1
3
1
198
105
1
2
1
1
93
2
104
4
1
137
10
21
3
10
1
4
6
110
13
18
163
2
44
1
3
55
1
21
2
11
395
6
2
1
33
6
2
Blog Posts
NASA’s SkyFall Helicopters at Work (Artist’s Concept)
August 6, 2026
Antenna Testing for NASA’s SkyFall Mission
August 6, 2026
I Am Artemis Tom Percy
August 6, 2026