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In your opinion,
(1) Is it possible for observers in a reference frame to claim that the
spatial location of an event(events) is(are) fixed in that frame, at all
times? That is, can they always claim that it(they) occurred at a given
set of spatial coordinates, in that frame?
(2) Can two reference frames, in uniform motion with respect to each
other, both claim that the spatial locations of the events are fixed in
their frame, at all times.
(3) Where and when do you measure the spatial distance between two
events that are separated by a time interval, in a frame? Is it an
instantaneous measurement?
(4) If you had breakfast in Los Angeles and lunch in San Diego, would
you really tell _anybody_ that you had breakfast and lunch in the
same place?