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
41
205
1
10
131
6
18
29
17
1
40
2
4
149
3
377
3
1
25
31
2
1
1
2
2
1
25
64
37
18
1
18
25
81
29
41
10
20
15
106
4
14
43
2
1
2
14
102
1
1
6
13
153
100
3
1
1
2
4
101
52
1
1
3
10
2
1
57
1
13
340
3
3
10
133
1
10
9
215
1
1
1
11
10
1
1
35
22
2
166
5
9
1
5
2
2
1
3
330
4
1
336
12
20
1
1
1
3
1
2
1
10
11
4
1
7
51
613
24
287
140
6
1
23
2
2
18
1
1
253
6
31
1
349
3
15
117
1
10
1
42
6
1
4
4
12
2
1
11
1
29
16
26
15
1
188
38
1
9
1
4
15
1
6
93
2
189
8
3
50
3
2
14
5
6
1
1
3
11
1
