One pedantic nitpick: the heat death of the universe is at least 10^100 years away, many many orders of magnitude longer than 200 billion (or 2x10^11) years. Overall though lovely stuff - I was already largely aware of all of this but it's nice to have a concise but detailed summary that's largely accurate (as far as I know).
One pedantic nitpick: the heat death of the universe is at least 10^100 years away, many many orders of magnitude longer than 200 billion (or 2x10^11) years. Overall though lovely stuff - I was already largely aware of all of this but it's nice to have a concise but detailed summary that's largely accurate (as far as I know).