Since the big bang, the early universe had hydrogen, helium, and a scant amount of lithium. Later, some heavier elements, including iron, were forged in stars. But one of the biggest mysteries in astrophysics is: How did the first elements heavier than iron, such as gold, get created and distributed throughout the universe? “It’s a […]
Posted on
April 29, 2025
Sign up for our newsletter:
Categories
102
1
46
11
3
18
1
2
2
2
38
1
2
11
29
3
4
6
2
21
1
30
6
1
11
18
4
2
59
6
13
114
1
14
62
17
35
3
33
70
1
1
663
14
189
1
3
7
2
5
10
12
4
34
5
2
29
1
19
282
3
113
134
28
1
10
18
390
1
11
1
4
55
59
41
1
1
14
1
24
37
6
15
13
1
8
8
211
1
19
235
19
1
9
6
3
95
56
1
1
13
1
2
1
3
3
172
26
10
112
19
1
20
1
222
152
13
3
141
3
1
4
300
67
6
38
1
3
17
46
30
46
2
4
7
3
388
1
10
107
1
1
46
48
1
3
109
159
7
1
1
6
13
17
2
2
373
3
2
41
14
1
1
1
3
1
1
1
2
202
1
5
136
11
1
1
14
1
21
10
3
10
365
1
6
410
11
12
46
2
1
Blog Posts
NASA Campaign Explores Clouds Spawned by Wildfires
October 2, 2026