Starship Asterisk*

The gamma ray burst that reached visual magnitude 5 was judged by red shift to be 7.5 billion light years away. What I am curious about is whether anyone calculated the mass to energy conversion that was necessary to produce it. I know it would be full of assumptions, but it seems as though the ener...

Actually, it was the APOD that showed a model beginning with the Big Bang depicted as a point. That is a misconception as I understand from following your links. Guess I will have to delve into the equations to understand better, but you have helped a lot.

In a not too distant APOD, a model of the expansion of the universe since the big bang was posted. It brings up a question in my mind. As the universe expands, where does the space into which it expands originate? Was it alwys there? Is it infinite? This might seem a nonsense question, but current t...