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
1
3
1
1
347
132
6
287
1
10
2
1
1
6
1
39
1
131
1
22
4
125
30
28
14
25
1
222
1
183
1
1
4
3
32
19
99
15
5
10
8
10
2
15
5
6
1
1
145
29
49
129
8
2
2
15
4
94
40
2
3
2
1
1
2
10
1
52
143
14
34
4
1
6
1
41
2
27
2
10
5
14
1
1
15
22
193
11
6
1
1
79
97
87
3
24
3
2
316
51
17
17
10
1
6
40
61
1
12
1
28
2
4
2
10
2
1
203
1
1
1
2
5
10
324
1
1
3
2
3
17
3
274
1
3
3
5
1
28
6
1
4
1
1
11
2
1
13
319
18
5
1
5
1
9
1
2
42
150
4
4
36
586
1
23
1
9
2
1
Blog Posts
Milano Cortina 2026
February 5, 2026
Curiosity Blog, Sols 4788-4797: Welcome Back from Conjunction
February 5, 2026
NASA, University of Texas Expand Research and Workforce Development
February 5, 2026