Originally Posted by AndrewJames

I like this happens every so many thousand years, how do we know, we are using the old dates of history, I doubt earth will have a timetable where every 67000years this happens, the Earth is neverending, always changing always doing something different, what could have made ever 67000 years could now be 1003 years or more? I mean we have blown nukes,h-bombs all kinds of bombs off all over the planet, we just don't know we are sitting ducks and here for the ride.