Feynam Special Lectures in Physics: Astronomy, Astrophysics, & Cosmology
...
...
...
...
...
...
...
...
...
Here is where Feynman starts in on "black stars(aka black holes) as he called them. ...
...
...
Since black holes by their very definition cannot be directly observed, proving their existence is difficult. The strongest evid ...
...
...
...
...
Mira ...
...
...
«
1
2
3
4
5
6
7
8
9
10
»
Free download pdf