Alex Filippenko

Where did the universe come from and did a creator have a hand in making it? As scientists learn more about the universe, our ideas about exactly...

Scaoileadh : 2011.01.03
Coitianta : 0.47

The planets of our solar system have experienced epic catastrophes throughout their long history, both raining down from outside and bubbling up from...

Scaoileadh : 2013.03.11
Coitianta : 0.042