RIDE TO THE AIRPORT

Let's try an example...You and your friend ride in your automobile on your way to the airport. It would seem that you are both sharing the same present. You arrive at the airport and watch as your friends plane departs. It would still seem that you are both sharing the same present. You continue to watch as the plane grows smaller and passes out of view on its transcontinental flight. When the plane lands - it is still the same now for you both. It was still the same now when the plane left your sight. Even if you friend went at light speed or faster, he and you would continue to share, as everything in every place does...The universal present. I suggest that Einstein would believe that when the plane has landed that they no longer share the present universal time. I ask then, whose time is it that is not in the present universal time. The contention that time it is only relative to the observer, ignores that fact that (1) it is the measurement of time (2) that this measurement is of light 'horizons' from an event and not the actual event. This distinction is important to be made. If you do not make it, then I understand how you would believe in special and general relativity and not believe in a universal present.
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