MadSci Network: Astronomy

Re: Big bang thought, BIG stars

Date: Tue Aug 24 10:35:21 1999
Posted By: Jim ODonnell, MadSci Admin
Area of science: Astronomy
ID: 932134006.As


I think you have fallen prey to a fairly common misconception, which is that the Big Bang was some sort of explosion which occurred in space, or in the universe, resulting in matter and energy rushing out in all directions.

What actually happened, according to current theories of cosmology, is that at the moment of the Big Bang, the universe came into existence and was infinitely small. Space itself then expanded, growing into the universe that we see now. However, there wasn't a previously existing space inside which our own universe started.

For more information, you may want to look at Ned Wright's cosmology tutorial.

Jim O'Donnell

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