Some 13.8 billion years ago, the universe began with a rapid expansion we call the big bang. After this initial expansion, which lasted a fraction of a second, gravity started to slow the universe down. But the cosmos wouldn’t stay this way. Nine billion years after the universe began, its expansion started to speed up, […]
Category:
Dark Energy, Dark Matter, Euclid, Galaxies, James Webb Space Telescope (JWST), Nancy Grace Roman Space Telescope, SPHEREx (Spectro-Photometer for the History of the Universe and Ices Explorer), Stellar Evolution, The Big Bang, The Universe
Posted on
February 5, 2024
Sign up for our newsletter:
Categories
1
2
3
29
12
323
12
14
3
10
13
1
18
1
11
6
1
3
48
1
41
1
4
6
6
2
1
23
100
1
30
1
62
1
5
298
1
10
5
9
16
3
42
7
2
148
1
2
1
15
2
97
4
3
35
29
281
1
55
4
10
2
6
1
7
8
595
141
1
1
6
10
3
1
3
5
2
1
90
31
1
2
37
1
9
233
10
146
1
2
105
1
323
2
132
42
14
28
2
29
24
1
184
1
4
3
102
10
1
360
1
3
51
18
1
50
1
128
13
12
2
4
1
1
1
2
1
10
19
209
37
16
1
23
25
13
135
198
1
1
1
333
2
1
4
2
24
10
9
18
1
18
79
6
15
3
13
1
40
1
2
3
15
2
2
1
1
1
4
9
13
6
1
158
8
1
Blog Posts
Kona Storms Flood Oʻahu
March 25, 2026
Reminders of Where We’ve Been, Where We’re Going
March 24, 2026