one could be happening right now.
one could've happened thousands of years ago, millions of light years away, and our universe is being swallowed up as we speak.
there ARE no time restrictions on events like these, or, by definition, they wouldn't BE quantum events.
OMG! what a mindbogglingly intelligent thing to say!
When we look to the stars each night we are in-fact looking into history.. The starlight has in some cases taken millions/billions of year to reach us. So is it not reasonable to say, that an alternate universe is already out there & speeding towards us at the speed of light..