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Or, 10,000,000,000,000 trips to the kitchen to get another snack while you're watching Sagan on TV.
(Assuming 25ft from the couch to the fridge => ~100 round trips/mi and 100,000,000 mi/AU, roughly speaking, of course).
Assuming each trip takes one minute (I suggest crackers since the'yre faster to grab), it would take 525,600,000,000,000 years for us to cross the distance. Which, considering the age of the universe as 13,000,000,000 years, would take around 40,400 universes at that speed.
Now that's a lotta crackers.