A Hundred Billion Galaxies

September 17, 2014 With Three astrophysical cosmologists

That is the number of galaxies (on average, each containing a hundred billion suns!)┬áthat we used to think composed the total universe. In this conversation we learn that┬áthat is merely the number for the “visible universe.” but that there is much more out there, Even more exciting, there are, quite likely, many other universes—perhaps an infinity of them. This exciting and remarkably lucid conversation occurred one night in 2001.


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