3 ms·Depends on your frame of reference.by jquery 5y agoDepends on your frame of reference.mc32 5y agoWhen did the Big Bang happen?peteradio 5y agoAm I an uncaptured photon?dylan604 5y agoIf we observe that photon, the cat will be dead.singlow 5y agoNowscatters 5y agoThe Big Bang happened right here. (And everywhere else as well.) That's the difference.