NASA Celebrates Edwin Hubble’s Discovery of a New Universe

For humans, the most important star in the universe is our Sun. The second-most important star is nestled inside the Andromeda galaxy. Don’t go looking for it — the flickering star is 2.2 million light-years away, and is 1/100,000th the brightness of the faintest star visible to the human eye. Yet, a century ago, its […]
Posted on January 15, 2025
Sign up for our newsletter:

Categories

1
1
9
3
254
9
10
2
215
29
1
1
1
336
1
2
1
1
2
3
51
615
1
24
140
1
3
1
1
6
4
18
12
1
11
1
4
188
351
1
6
4
14
93
2
3
6
18
1
1
10
3
190
4
2
1
37
11
1
2
6
10
5
15
29
43
1
2
2
1
3
1
Io
4
14
57
7
11
10
2
13
6

Blog Posts

Newsletter Archive