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
100
2
1
23
1
1
29
5
8
62
1
5
297
1
10
42
7
16
3
2
2
148
1
96
4
1
15
2
34
29
281
3
6
1
55
4
10
2
1
1
7
8
595
141
1
6
10
5
2
3
1
3
9
233
10
1
90
31
1
2
37
1
2
103
146
1
42
14
1
322
2
132
1
28
2
29
24
102
10
184
1
4
3
3
1
360
1
1
128
51
18
1
50
2
4
1
1
13
12
19
1
2
1
10
25
13
135
198
209
37
16
1
23
332
2
1
1
1
1
4
2
24
10
9
18
1
18
79
6
15
13
1
40
3
2
2
1
2
3
15
4
9
1
1
1
6
1
157
8
1
12
323
12
1
2
3
29
12
10
13
14
3
1
11
1
18
41
1
4
6
6
6
1
3
48
1
Blog Posts
See NASA’s GUARDIAN Catch a Tsunami
March 23, 2026
SWOT Mission Unlocks a New View of Our Waterways
March 23, 2026
